The appearance was such a secret that even one of the film’s stars didn’t know about it.
Antoni Porowski, Tan France and Bobby Berk donned their best Britney Spears costumes for an epic performance of 'Work Bitch.'
Spears' debut album was released Jan. 12, 1999.
ET can confirm that the singer was working with executive producer Justin Tranter on a new album.
Britney Spears revealed on Friday that her father, Jamie Spears, nearly died after his colon ruptured two months ago.
The singer announced she would be putting her Las Vegas residency on hold to focus on her family on Friday.
The singer announced the news on Friday.
These ladies know how to beat the heat in the hottest way possible!
Miley has been making the press rounds to promote her new song with Mark Ronson, 'Nothing Breaks Like a Heart.'
The 26-year-old singer said she's Spears' 'biggest fan.'
The pop songstress also showcases some of her incredible dance moves in a new clip!
Mimi was an open book on Monday’s ‘WWHL.'
It's a tough gig, but someone's got to get these hunks ready for her show!
The fast food chain roasted the rapper on Twitter, while Britney Spears auditioned dancers.
