'Cool For The Summer' songstress Demi Lovato has revealed that she once wrote a break-up song about Joe Jonas, who "burned" her at the age of 15, while he was in the room with her. 

She recalled the funny anecdote during an interview with U.S. TV host Stephen Colbert and even added that Joe's brother Nick helped her to pen the track:

"I was writing my first album, and I was writing a song called 'Gonna Get Caught'. "[Joe] was in the room. We were all writing together. And he was like, 'Well, maybe it has a happy ending, ya know?' And I was like, 'No! I think he gets caught and everyone sees that he's a heartbreaker.' Nick was like, 'Why don't we just write the chorus?'"

Nick Jonas and Demi Lovato's joint Future Now tour is due to kick off later this month in America and you can read more about it here. 

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Watch the interview here: