Overview
From "The Big Bang Theory," actor Simon Helberg; actor/comic Ricky Gervais; musical guest Ty Segall.
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19 - 1Will Arnett, Lisa Lampanelli, Guided by Voices January 03, 2012 -
19 - 2Brian Williams, WU LYF January 04, 2012
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19 - 3Tina Fey, Jeremy Irvine, Barr Brothers January 05, 2012
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19 - 4Kristen Bell, Dan Naturman, Blind Pilot January 06, 2012
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19 - 5Mark Wahlberg, Heather Morris, Snow Patrol January 09, 2012
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19 - 6Kate Beckinsale, Marv Albert, The Little Willies January 10, 2012
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19 - 7Dolly Parton, Alan Zweibel January 11, 2012
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19 - 8Sen. John McCain, Johnny Winter January 12, 2012
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19 - 9Viggo Mortensen, Dennis Regan, Tony Bennett January 13, 2012
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19 - 10Simon Baker, Elizabeth Banks, Seal January 16, 2012
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19 - 11Ricky Gervais, Jessica Chastain, Kathleen Edwards January 17, 2012
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19 - 12Marg Helgenberger, Michael Fassbender, Ellie Goulding January 18, 2012
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19 - 13Kathy Griffin, Simon Helberg, Joseph Arthur January 19, 2012
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19 - 14Dana Carvey, Jon Fisch, Los Campesinos! January 20, 2012
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19 - 15Jennifer Lopez, Rob Schneider, James McCartney January 30, 2012
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19 - 16Bill Murray, Girls' Generation January 31, 2012
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19 - 17Howard Stern, The Airborne Toxic Event February 01, 2012
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19 - 18Woody Harrelson, Stephen Merchant, Lana Del Rey February 02, 2012
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19 - 19Michelle Williams, Jake Johannsen, Ziggy Marley February 03, 2012
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19 - 20Eli Manning, Sarah Michelle Gellar, Die Antwoord February 06, 2012
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19 - 21Denzel Washington, The Fray February 07, 2012
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19 - 22Ryan Reynolds, Ellie Kemper, Dierks Bentley February 08, 2012
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19 - 23Nicolas Cage, Michelle Dockery, The Kills February 09, 2012
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19 - 24David Spade, Betty Wright February 10, 2012
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19 - 25
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19 - 26
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19 - 27
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19 - 28Joan Rivers, Andrew Lincoln, Jason Mraz February 16, 2012
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19 - 29Kristen Wiig, Mike Birbiglia, Butch Walker and the Black Widows February 17, 2012
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19 - 30Jack Hanna, Jesse Tyler Ferguson February 20, 2012
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19 - 31Alec Baldwin, Eric Hutchinson February 21, 2012
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19 - 32Paul Rudd, John Witherspoon, Heartless Bastards February 22, 2012
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19 - 33Kristin Chenoweth, Joe Scarborough, K'naan featuring Nelly Furtado February 23, 2012
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19 - 34Matthew Broderick, Nick Griffin, We Are Augustines February 24, 2012
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19 - 35Ed Helms, Dan Patrick, Lyle Lovett February 27, 2012
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19 - 36Nathan Lane, Pauley Perrette, Estelle February 28, 2012
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19 - 37
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19 - 38Jon Hamm, Ted Alexandro, White Rabbits March 01, 2012
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19 - 39Will Ferrell, Jon Bernthal March 12, 2012
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19 - 40
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19 - 41Martin Short, The Ting Tings March 14, 2012
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19 - 42Michelle Obama, Esperanza Spalding March 19, 2012
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19 - 43Jennifer Lawrence, Gail Collins, The Shins March 20, 2012
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19 - 44Debra Messing, Josh Hutcherson, Oberhofer March 21, 2012
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19 - 45Rachel Maddow, Timothy Olyphant, Train March 26, 2012
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19 - 46Jason Sudeikis, Lionel Richie, Jason Aldean March 27, 2012
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19 - 47Chris Elliott, Mohamed Nasheed, Justin Townes Earle March 28, 2012
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19 - 48Tracy Morgan, Jim Rome, The Broadway musical 'Once' March 29, 2012
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19 - 49Megan Mullally, Joe Wong, Band of Skulls March 30, 2012
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19 - 50
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19 - 51Kiefer Sutherland, Eugene Levy, The Punch Brothers April 04, 2012
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19 - 52Ricky Gervais, Cobie Smulders, Tennis April 09, 2012
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19 - 53Sean Hayes, Shooter Jennings April 10, 2012
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19 - 54Magic Johnson, Larry Bird, Jim Gaffigan, Kaiser Chiefs April 11, 2012
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19 - 55Billy Crystal, Alabama Shakes April 12, 2012
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19 - 56Julia Louis-Dreyfus, Keith Alberstadt, Bonnie Raitt April 13, 2012
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19 - 57Jason Segel, Zach Wahls, Fun April 23, 2012
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19 - 58Amy Poehler, Wendy Williams, Trampled by Turtles April 24, 2012
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19 - 59Rob Lowe, Gov. Brian Schweitzer, The War on Drugs April 25, 2012
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19 - 60Robin Williams, Andrew Luck April 26, 2012
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19 - 61
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19 - 62Don Rickles, Carrie Underwood April 30, 2012
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19 - 63Seth Meyers, Krysten Ritter, Father John Misty May 01, 2012
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19 - 64Stupid Pet Tricks, Johnny Galecki, Norah Jones May 02, 2012
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19 - 65
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19 - 66Anderson Cooper, Yves Rossy, Electric Guest May 04, 2012
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19 - 67Dr. Phil McGraw, Beth Behrs, Spiritualized May 07, 2012
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19 - 68Jim Parsons, Mika Brzezinski, Macy Gray May 08, 2012
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19 - 69Eva Longoria, Tom Dreesen, Florence and The Machine May 09, 2012
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19 - 70
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19 - 71Jon Cryer, Tommy Johnagin, M. Ward May 11, 2012
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19 - 72Kelly Ripa, Adam Scott, Tenacious D May 14, 2012
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19 - 73Brian Williams, El-P May 15, 2012
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19 - 74Betty White, Moses Maddox, Best Coast May 16, 2012
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19 - 75Conan O'Brien, Regina Spektor, John Mayer May 17, 2012
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19 - 76Sacha Baron Cohen, Julie Chen, Beach House May 18, 2012
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19 - 77
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19 - 78Will Smith, Gossip May 22, 2012
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19 - 79Piedmont Bird Callers, Bill O'Reilly, Pitbull May 23, 2012
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19 - 80Joan Rivers, Dario Franchitti, Silversun Pickups June 04, 2012
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19 - 81Neil Patrick Harris, Noomi Rapace, Alan Jackson June 05, 2012
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19 - 82Jane Fonda, Mayor of London Boris Johnson, Jimmy Cliff June 06, 2012
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19 - 83Bill Murray, The Temper Trap June 07, 2012
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19 - 84Mark Wahlberg, Sebastian Vettel, Black Box Revelation June 11, 2012
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19 - 85Jack Hanna, Patti Smith June 12, 2012
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19 - 86Adam Sandler, Jerry Douglas June 13, 2012
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19 - 87Regis Philbin, Lenny Marcus, Elizabeth Cook June 14, 2012
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19 - 88Denis Leary, Olivia Wilde, The Pierces June 18, 2012
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19 - 89Jeff Daniels, Benjamin Walker, Walk the Moon June 19, 2012
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19 - 90Alec Baldwin, Michael Kiwanuka June 20, 2012
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19 - 91Justin Bieber, Michael Ian Black June 21, 2012
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19 - 92Emma Stone, Jimmie Walker, Diamond Rugs June 25, 2012
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19 - 93LeBron James, Andrew Garfield, Maroon 5 June 26, 2012
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19 - 94Channing Tatum, Scott Pelley, The Gaslight Anthem June 27, 2012
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19 - 95Blake Lively, Drew Brees June 28, 2012
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19 - 96
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19 - 97
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19 - 98Bryan Cranston, R.A. Dickey, Zac Brown Band July 11, 2012
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19 - 99Anne Hathaway, Moody McCarthy, Loudon Wainwright III July 12, 2012
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19 - 100Morgan Freeman, Gallagher, Nas July 16, 2012
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19 - 101Roseanne Barr, Aubrey Plaza, Jeff the Brotherhood July 17, 2012
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19 - 102
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19 - 103Woody Harrelson, Todd Barry, Grafitti6 July 19, 2012
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19 - 104Will Ferrell, Rufus Wainwright July 23, 2012
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19 - 105
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19 - 106Jonah Hill, Dr. Leonard Girardi, Milo Greene July 25, 2012
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19 - 107Joel McHale, Andrew Norelli, Will.I.Am July 26, 2012
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19 - 108Andy Samberg, Ashton Eaton, Glen Hansard August 13, 2012
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19 - 109
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19 - 110Tom Brokaw, Dana Vollmer, Beth Orton August 15, 2012
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19 - 111Tracy Morgan, Erik Kynard, Ben Howard August 16, 2012
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19 - 112Kelsey Grammer, Olivia Munn, Train August 20, 2012
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19 - 113Bill Hader, Mary-Louise Parker, The Walkmen August 21, 2012
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19 - 114Rachel Maddow, Serena Williams, Elle King August 22, 2012
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19 - 115Kathy Griffin, Michael Somerville, Josh Turner August 23, 2012
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19 - 116Jake Gyllenhaal, Sharon Osbourne, Neon Trees August 27, 2012
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19 - 117Amy Adams, Paul Teutul Sr. & Paul Teutul Jr., Hacienda August 28, 2012
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19 - 118Michelle Obama, The Chevin August 29, 2012
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19 - 119Bruce Willis, Brian Regan, The Heavy August 30, 2012
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19 - 120Claire Danes, Dwyane Wade, Bob Mould September 04, 2012
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19 - 121Emma Watson, Julie Chen, Matchbox Twenty September 05, 2012
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19 - 122Howard Stern, Jason Aldean September 06, 2012
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19 - 123Joseph Gordon Levitt, Mindy Kaling, Of Gentlemen and Cowards September 17, 2012
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19 - 124President Barack Obama September 18, 2012
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19 - 125Michael Strahan, Arthur Meyer September 19, 2012
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19 - 126Nathan Lane, Ryan Hunter-Reay, The Killers September 21, 2012
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19 - 127Steve Martin, Gotye September 24, 2012
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19 - 128Stupid Human Tricks, Kaley Cuoco, The Whigs September 25, 2012
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19 - 129David Cameron, Jonny Lee Miller September 26, 2012
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19 - 130Jimmy Fallon, Neil Young, Lupe Fiasco September 27, 2012
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19 - 131Regis Philbin, Tom Dreesen, Dwight Yoakam September 28, 2012
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19 - 132Stephen Colbert, Theresa Caputo, Martha Wash October 01, 2012
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19 - 133Martin Short, Kat Dennings October 02, 2012
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19 - 134Tina Fey, Rick Santorum, LP October 03, 2012
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19 - 135Craig Ferguson, Anna Kendrick, The Raveonettes October 04, 2012
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19 - 136Billy Crystal, The Wallflowers October 05, 2012
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19 - 137Jack Hanna, Max Greenfield October 08, 2012
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19 - 138Kevin James, Chris Elliott, Miguel October 09, 2012
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19 - 139Salma Hayek Pinault, Nick Offerman, KISS October 10, 2012
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19 - 140Lucy Liu; Rob Corddry; Daughter October 11, 2012
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19 - 141John Goodman, Jeff Altman, Jamey Johnson with Alison Krauss October 12, 2012
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19 - 142Tom Hanks; Tony Bennett October 22, 2012
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19 - 143Taylor Swift; Rachel Maddow October 23, 2012
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19 - 144Bill O'Reilly; Nicole Snooki Polizzi; The Lumineers October 24, 2012
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19 - 145Donald Trump; Adam Levine; Carly Rae Jepsen October 25, 2012
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19 - 146Dennis Quaid; Krysten Ritter; Diamond Rings October 26, 2012
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19 - 147Denzel Washington, Paul Banks October 29, 2012
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19 - 148Jim Cantore; Ken Burns; Andrew Bird October 30, 2012
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19 - 149Katie Couric; Rita Ora October 31, 2012
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19 - 150Steven Tyler and Joe Perry; Judy Greer; Aerosmith November 01, 2012
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19 - 151Jason Sudeikis; Michael Che; Ultraĩsta November 02, 2012
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19 - 152Ricky Gervais; Simon Helberg; Ty Segall November 05, 2012
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19 - 153Brian Williams; Ne-Yo November 07, 2012
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19 - 154Robin Williams; Lianne La Havas November 08, 2012
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19 - 155Anderson Cooper; Myq Kaplan; Alberta Cross November 09, 2012
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19 - 156Bradley Cooper; Robert Klein; Soundgarden November 12, 2012
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19 - 157Julianna Margulies; Mumford & Sons November 13, 2012
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19 - 158Alec Baldwin; Dirty Projectors November 14, 2012
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19 - 159Zooey Deschanel; Lisa Lampanelli; Donald Fagen November 15, 2012
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19 - 160Dr. Phil McGraw; Carmen Lynch; Divine Fits November 16, 2012
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19 - 161Jessica Biel; Pete Townshend; Philip Phillips November 19, 2012
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19 - 162Amy Poehler; Josh Hutcherson; Tegan and Sara November 20, 2012
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19 - 163Scarlett Johansson; Willie Nelson; Gary Clark Jr. November 21, 2012
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19 - 164Led Zeppelin; John Krasinski; Paloma Faith December 03, 2012
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19 - 165Matt Damon; Martin Freeman; JD McPherson December 04, 2012
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19 - 166Albert Brooks; Diana Krall December 05, 2012
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19 - 167Bill Murray; Vintage Trouble December 06, 2012
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19 - 168Dustin Hoffman; One Direction December 07, 2012
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19 - 169
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19 - 170Amanda Seyfried; Natalia Makarova; Awolnation December 11, 2012
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19 - 171Billy Crystal; James Balong; Grizzly Bear December 12, 2012
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19 - 172Jamie Foxx; Julie Chen; DIIV December 13, 2012
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19 - 173
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19 - 174Tom Cruise; MNDR December 17, 2012
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19 - 175Paul Rudd; Alicia Keys December 18, 2012
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19 - 176Seth Rogen; John Witherspoon December 19, 2012
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19 - 177Katie Holmes; Jon Bon Jovi December 20, 2012
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19 - 178Naomi Watts; Jay Thomas; Darlene Love December 21, 2012