Zac Efron on 'Letterman,' Kris Allen on 'Ellen,' Adam Lambert on 'Alexa Chung'

Zac, Kris and Lambert, plus Robin Williams is doing "GMA" and "The View," Scott Wolf is on 'Bonnie Hunt' and Miley's on "Oprah"...










Daytime :
"Good Morning America": Robin Williams, Nadya Suleman
"Today": Alicia Keys, Al Roker, Rhea Perlman and Lucy DeVito
"Live with Regis and Kelly": Jimmy Kimmel, Carrot Top
"The View": Robin Williams, Matthew Rhys
"The Bonnie Hunt Show": Scott Wolf, "Project Runway" winner Irina Shabayeva
"The Ellen DeGeneres Show": Kris Allen, Penelope Cruz
"Rachael Ray Show": Shakira
"The Oprah Show": Miley Cyrus, Wynonna Judd
"The Martha Stewart Show": Chad Thomas Keller, David Gregory
"It's On with Alexa Chung": Adam Lambert, Ashley Greene, Seth Green, Leighton Meester
"The Tyra Banks Show": Heidi and Spencer Pratt.

Late Night:
"The Jay Leno Show": Charles Barkley, the latest castoff from "The Biggest Loser"
"Late Show with David Letterman": Zac Efron, Carrie Fisher, Rihanna
"The Tonight Show with Conan O'Brien": Jack McBrayer, Marisa Miller, Weezer
"Jimmy Kimmel Live": Charlize Theron, Regis Philbin, the winner of "Dancing with the Stars", Wolfmother
"Chelsea Lately": Ryan Kwanten, Guy Branum, Heather McDonald, Wil Anderson
"The Late Late Show with Craig Ferguson": Maria Bello, Peter Capaldi, Ben Harper & Relentless7
"Late Night with Jimmy Fallon": Claire Danes, Chad Ochocinco, the Pixies
"Last Call with Carson Daly": OK Go
"Tavis Smiley": Kris Kristofferson (repeat)
"The Daily Show with Jon Stewart": Jack's Mannequin (repeat)
"The Colbert Report": Norah Jones (repeat)