Joe Jonas and Demi Lovato Split

Joe Jonas and Demi Lovato Split
Joe Jonas and Demi Lovato
Kevin Mazur/VF1/WireImage

05/24/2010 AT 05:20 PM EDT

Joe Jonas is back on the market!

The singer, 20, and girlfriend Demi Lovato, 17, have called it quits, a source tells PEOPLE, but will still be hitting the road together this summer, starting July 27 in Dallas.

The pair, who went public with their relationship in March, first met on the set of Camp Rock in 2007; Lovato toured with the Jonas Brothers the following year.

The pair recently spoke to PEOPLE, and Lovato said she was looking forward to touring with the Jonas Brothers this summer.

"I'm fortunate that I get to work with the person that I'm in the relationship with," she said. "Rather than being across the country and texting him, I can have him hold my hand when I'm tired."

Jonas, meanwhile, shed light on how their friendship became a romance. "I think after the movie was complete, then we kind of took the time to get to know each other a little deeper," he said.

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