David Letterman: Emma Stone, Alan Mulally, Blink 182
Jay Leno: Jeremy Piven, Kelly OsbourneJimmy Kimmel: James FrancoCraig Ferguson: Jean-Michel Cousteau, Craig visits the LouvreJimmy Fallon: Jason Bateman, Freida Pinto, Big Audio DynamiteCarson Daly: Alison Haislip, Joe Wright, Yelawolf (R 4/7/11)Tavis Smiley: Kenneth Branagh, Ice-T (R 5/5/11)Daily Show: Austan GoolsbeeColbert Report: Robert WittmanChelsea Lately: Lisa Kudrow, Jo Koy, Heather McDonald, Brad WollackConan O'Brien: Russell HowardLopez Tonight: Adrian Grenier, Affion CrockettThe View: Jimmy Fallon, Vera Farmiga, guest co-host Katie CouricRegis and Kelly: Alexander Skarsgard, Melissa Joan HartEllen DeGeneres: The cast of "The Real Housewives of Beverly Hills", Darren Criss, violinist Oliver Lewis (R 2/2/11)Videos