The two dated for just a few months in 2010 three years after first meeting while working on the Disney channel's Camp Rock.
"She's family," Jonas told me yesterday. "We've known Demi for so many years. We're performed with her, toured with her. She's just incredible.
"It's not always the case," he continued. "Sometimes you have to know when to fold the cards. I don't think of her as an ex. We're really good friends. We've gone through so much together and we're really close now."