John Mayer On Those 'Smoldering' "Who You Love" Photos & Duet with Katy PerryJohn Mayer talks to Kim about his new single "Who You Love" & Vanity Fair photo shoot with Katy Perry,
Sara Bareilles Joins Taylor Swift On Stage for "Brave"Taylor Swift is no stranger to a cover song, and she's also never been one to turn down a great duet. Especially when it's a song she absolutely loves.
Oppa Madonna Style: PSY Joins Material Girl On StageThe viral video star showed the pop icon how to Gangnam Like A Virgin last night in NYC...
Carrie Underwood Duets With Aerosmith On Their New Album 'Music From Another Dimension!'The two "American Idol" alums trade verses on "Can't Stop Loving You," which appears on the veteran rock band's brand new album.
Christina Perri and Jason Mraz Go "The Distance"
Carrie Underwood Performs "Freak"-y Duet With Jimmy Kimmel
Justin Timberlake Talks Turkey Hunting, Recording With Hank Williams Jr.
Kimbra Talks Gotye's "Somebody That I Used To Know"
Lady Gaga and Tony Bennett Duet On "The Lady is a Tramp"
Amy Winehouse and Tony Bennett's 'Body and Soul' Preview Video Released
Watch: Amy Winehouse & Tony Bennet Recording Duet
Nicki Minaj Joins Taylor Swift In Los Angeles For "Super Bass" Duet