Maria Menounos, Lo Bosworth, Adrienne Bailon, Ashley Greene, Melody Thornton, Sean Paul, OK Go, Dan Konopka, Andy Ross, Tim Nordwind, Damian Kulash, Tristan Wilds, Fame cast, Asher Book, Paul Iacono, Naturi Naughton, Kherington Payne, Collins Pennie, Walter Perez, Kara DioGuardi, Kid Sister, Fefe Dobson, Stephanie Pratt, Holly Montag Stacie Hall, Buzz Aldrin with wife, Katy Perry (+), Jimmy Fallon, Real World cast, Kristin Cavallari, Muse, Matt Bellamy, Christopher Wolstenholme, Dominic Howard, Solange Knowles (+), All Time Low, Katy Perry (cont), Tracy Morgan with guests, Tanisha Hall, Damien Fahey with Grasie Mercedes, Nick Harmer with date, Joe Perry with wife, Anjulie, Andy Samberg, Faye Dunaway, DJ Cassidy, Alessandra Ambrosio (+), Vanessa Simmons with guests Angela Simmons and Jessica Brown, Jack Black (+), Rose Byrne, Whitney Port, Perez Hilton (+), Fall Out Boy (+), Pete Wentz (+), Patrick Stump (+), Andy Hurley (+), Joe Trohman (+), Hayley Williams with Paramore bandmate Taylor York, Amerie, Green Day, Tre Cool, Mike Dirnt, Billie Joe Armstrong, Swizz Beatz, Ne Yo with Jadyn Maria, Joe Jackson (brief), Miranda Cosgrove, The All American Rejects, Tyson Ritter, Nick Wheeler, Mike Kennerty, Chris Gaylor, Nicky Hilton, Lady Gaga (+), Ciara (singer), Jade Cole, _____, Akon, Justin Bieber, Nelly Furtado, Taylor Lautner, Kanye West with Amber Rose (+2)
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Shakira (singer) (+), Kanye West with Amber Rose (cont 1), Sean Kingston, Olivia Palermo, Alexa Chung, Amanda Bynes, Chace Crawford (+), Shiri Appleby, Shakira (singer) (cont), Pink (singer), Alecia Moore with husband Carey Hart, Cassie Ventura, Sean Diddy Combs with guests, Julie Henderson, Taylor Swift, Adam Brody, Roberto Cavalli, Timbaland with guest, Shawn King with guest (+), Tory Burch with Lyor Cohen, Alicia Keys with guest, Gerard Butler, Cobra Starship, Alex Suarez, Nate Novarro, Ryland Blackinton, Victoria Asher, Gabe Saporta, Jennifer Lopez, Marc Anthony, Jermaine Jackson with guest, John Leguizamo, Tyrese Gibson, Lauren Conrad, Leighton Meester, Beyonce Knowles, Lolene, Djimon Hounsou, Kimora Lee Simmons, MTV Moon Man
