Cher and Christina Aguilera, co-stars of the new movie 'Burlesque,' interviewed each other -- with questions from fans -- for MovieFone's Unscripted and told us everything from what attracted them to the movie to their most uncomfortable moment during filming.

For Aguilera, 'Burlesque' has additional importance, as it is her feature film acting debut.

She reveals she was at once both nervous and excited about the daunting project. But as Cher tells us, Aguilera wasn't the only one learning on set.

And no interview with Cher is complete without talking about her outfits. Watch to hear Cher describe her favorite outfit -- which she wore to retaliate against the Academy when it didn't nominate her for Best Actress for 'Mask.' Watch after the jump!