Late Show with David Letterman

Taylor Swift Talks Lena Dunham & Lousy Boyfriends, Performs 'Welcome to New York' on 'Letterman': WatchTaylor Swift may not be writing about any of her lousy exes on her latest album, 1989, but she definitely hasn't forgotten how terrible they were.
This Week In Late Night TV: Demi Lovato, Yeah Yeah Yeahs & Tyler, the Creator
Selena Gomez Made Justin Bieber Cry, Confesses To LettermanAt first, it seems Selena Gomez and David Letterman might not have much in common, but the pair hit it off last night when they bonded over an unlikely cause-- making Justin Bieber cry.
[VIDEO] Cee Lo Green's Top 10 Reasons You're A Terrible Singer