Plus: M.I.A. to release Animal Collective album.
"You know what I love about the new breed of newcomers is that they're risk takers."
Appearance will come right before release of new album.
The diva changes her contract rider.
"I think sometimes she gets insecure because of all of the success Gaga has had."
Her new single, "Not Myself Tonight," finds her doing various generic bad-girl things.
We're definitely looking forward to hearing the song she did with Le Tigre.
Plus: Bomer and Graynor join 'Number.'
See photos from the set of Aguilera's new movie, 'Burlesque.'
And more celebrities in their full glory in our daily gossip roundup.
Plus: Winnie Mandela gets a biopic! The Mol strikes again! And it's curtains for ‘Oleanna’!
And Christina Aguilera chopped all her hair off.
See a supermodel orgy in 'Purple,' Victoria Beckham in high-waisted panties, Baptiste Giabiconi on a Segway, and more from this month's issues.
And more celebrity TMI, in our daily gossip roundup.
Plus: More 'Inception' details, and Christina Aguilera headed to the silver screen.
Also, see a behind-the-scenes movie from the movielike set of the new Chanel No. 5 commercial.
That means no Dior show. Damn you, economy!