The pop star is working a lot these days, on her body and new tunes!
Britney Spears' abs are pretty flawless.
The pop star celebrated her 34th birthday with an adorable princess party!
Who knew the pop stars were so close?
The pop star totally fangirled over the GRAMMY winner.
Beyonce sings 'Oops I Did it Again' at Britney Spears 'Piece of Me' show during a date night outing with her husband Jay Z.
The queens have collided!
From Britney Spears to Kelly Clarkson, a look at the musicians who make music videos a family affair.
Here's a look at 6 celebrities who have featured their own kids in the visuals that accompany their music.
The singer played herself on Monday's episode.
It's Britney (on 'Jane the Virgin'!), bitch.
ET has your exclusive sneak peek of Monday's star-studded episode of 'Jane the Virgin'
ET has your exclusive sneak peek at pop superstar Britney Spears on Monday's all-new episode of 'Jane the Virgin'
'The Voice' coaches took part in a game of 'Spin the Microphone' on 'The Tonight Show.'
