Article continues below advertisementChristina Aguilera just made Broadway her runway.On Saturday, July 19, the 44-year-old pop legend stepped out for Burlesque the Musical, wearing a bold black bodysuit paired with sheer black tights that left little to the imagination.Article continues below advertisementStrutting confidently into the theater, Aguilera gave a quick twirl for the cameras, showing off her curves and those iconic platinum curls. She waved to fans and guests inside the venue, soaking in the glam energy of the night.