Michael Phelps/Lil Wayne

67 min

James Franco/Kings of Leon

67 min

Anna Faris/Duffy

67 min

Anne Hathaway/The Killers

67 min

Jon Hamm/Coldplay

67 min

Ben Affleck/David Cook

67 min

Paul Rudd/Beyonce

67 min

Tim McGraw/Ludacris/T-Pain

67 min

John Malkovich/T.I.

67 min

Hugh Laurie/Kanye West

67 min

Neil Patrick Harris/Taylor Swift

67 min

Rosario Dawson/Fleet Foxes

67 min

Steve Martin/Jason Mraz

67 min

Bradley Cooper/TV on the Radio

67 min

Alec Baldwin/Jonas Brothers

67 min

Dwayne Johnson/Ray LaMontagne

67 min

Tracy Morgan/Kelly Clarkson

67 min

Seth Rogen/Phoenix

67 min

Zac Efron/Yeah Yeah Yeahs

67 min

Justin Timberlake/Ciara

67 min

Will Ferrell/Green Day

67 min