Christina Aguilera wore a glamorous ivory and silver embellished gown at the LACMA Presents "Unmasking": The Lynda and Stewart Resnick Exhibition Gala in Los Angeles on Saturday.

Christina recently partied with gal pal Nicole Richie in Mexico - to celebrate the reality TV's star's bachelorette party. According to, the girls relaxed by the Las Ventanas resort pool and enjoyed a series of spa treatments.

Christina stars in the upcoming film "Burlesque" opposite Kristen Bell and Cher - but don't expect to see any nudity in the risky-titled movie.  Bell explained, "Americans kind of associate burlesque with stripping, which is not what it is at all. Burlesque is actually sort of a funny, wonderful, playful tease."

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