Lovato and the Jonas brothers performed renditions of “This is Me” and “Wouldn’t Change a Thing”, both of which featured in the 2008 Disney Channel film Camp Rock, which saw Joe and Lovato – who had a real-life, albeit short-lived, romance in 2010 – play love interests on screen.

Demi Lovato wouldn't change a thing about her recent reunion with the Jonas Brothers. In an episode of Chicks in the Office posted Tuesday (Aug. 12) - two days after the pop star made a cameo at the Jo Bros' kickoff 20th anniversary tour concert in New Jersey - Lovato opened up about how "healing" it was to perform Camp Rock hits "This Is Me" and "Wouldn't Change a Thing" with former costars Joe,