Pop star sweethearts Joe Jonas and Demi Lovato are to test their romance by hitting the world's stages together.
The Jonas Brothers have revealed Lovato will be their special guest at dates on their upcoming three-continent tour, and the lovebirds will also team up onstage to perform tracks they've recorded together for Disney's Camp Rock and Oceans films.
The couple went public with its romance last month when they showed up at the Nickelodeon Kids Choice Awards holding hands.
Jonas, who previously dated Taylor Swift, said, "We've been best friends for the longest time and now we're just kind of taking the next step and it's been really fun."
Lovato added, "Over time feelings grow, and for me, as much as I wanted to deny it, the feelings were always there."
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