Britney Spears and Backstreet Boys Drop New Collab 'Matches': Listen!

Paris Hilton reflects on her 'fun memories' with Britney Spears on the singer's 39th birthday

Beyonce Wishes Britney Spears a Happy Birthday With Throwback Baby Photo

Beyonce wishes Britney Spears a happy 39th birthday with darling shot of the star as a baby