History Facts & Stories on Instagram: "Demi Moore performing one handed push ups on The David Letterman Show in 1996. At the time she was promoting her film G.I. Jane, a role that required intense physical training and a dramatic transformation. Her appearance on the show became memorable because she demonstrated the strength she had built for the film, surprising both Letterman and the studio audience. The moment has since been revisited online as an example of her dedication to the role and he

Demi Lovato's Spectacular New Year’s Rockin' Eve Performance