Ann-Margret's musical talents are no secret. With starring roles in films like Bye Bye Birdie, Viva Las Vegas, and Tommy throughout the '60s and '70s, the storied actress proved her triple-threat status time and time again. Yet during her 1975 appearance on The Tonight Show Starring Johnny Carson, the star's rendition of the Kiki Dee hit “I’ve Got the Music In Me” inadvertently showed the world one of her more subtle assets — her chest. 

From her introduction to her final bow, here are 22 "holy smokes" moments from Ann-Margret's legendary Tonight Show performance.