In a callback to her 2010 film "Burlesque," the black-and-white shot features Aguilera posing with the same cropped blonde 'do she sported in the film. "Birthday Suit #44," she captioned it.

SPRINGFIELD — Christina Aguilera’s song from the 2010 film “Burlesque” describes it best: “Underneath the city lights, there is a world few know about.” But the movie, as fun and sexy ...

described the sweet memory she has of working with the 78-year-old Goddess of Pop on the set of Burlesque back in 2010.

Christina Aguilera teased her upcoming Las Vegas residency with a rehearsal video where she performs a song from Burlesque for the ... from the soundtrack of the 2010 film, according to Setlist.fm ...