We’re on full diva alert waiting for the premiere of Burlesque, starring two of the most major voices in the biz, Christina Aguilera and Cher. In the movie, which opens November 24th, Christina plays Ali Rose, a small-town girl trying to make it big in L.A. She lands a job as a bartender at the Burlesque Lounge, run by Tess (Cher). Will she get a shot to showcase her stuff? You bet: Watch the video of Christina belting out “I’m a Good Girl” which was released yesterday, and find out more about the soundtrack after the jump!

Can’t wait for the movie? The Burlesque soundtrack featuring eight Christina Aguilera songs and two from Cher will be available November 22nd, and you can listen to Christina sing “Express” now!