The Jonas Brothers welcomed Joe Jonas’ ex-girlfriend, Demi Lovato, onstage for a surprise performance at their first concert ...

Demi Lovato, perhaps the most notable guest so far, was greeted by ear-shattering shrieks from millennial fans when she ...

The Jonas Brothers opened the Jonas20 tour with Joe Jonas reuniting with Demi Lovato for the first "Camp Rock" performances ...

Joe, Nick and Kevin kicked off their 20th anniversary tour with Sunday night’s show at MetLife, one of the largest venues ...

Joe Jonas and Demi Lovato performed 'Camp Rock' favorites during the Jonas Brothers' 20th anniversary tour at MetLife Stadium ...

Lovato and the Jonas brothers performed renditions of “This is Me” and “Wouldn’t Change a Thing”, both of which featured in ...

Demi Lovato surprised fans by joining the Jonas Brothers during their first show on the "Jonas20: Greetings From Your ...

Demi Lovato wouldn’t change a thing about how her epic reunion with the Jonas Brothers came to be. Two days after Lovato, 32, ...

With its 2008 debut, Camp Rock marked Lovato's breakout role while putting the JoBros front and center on Disney Channel. The ...

On opening night of the Jonas Brothers' tour, the band brought out four surprise guests, including former tourmate Demi ...

Demi Lovato’s surprise Camp Rock reunion with the Jonas Brothers turned into a healing, full-circle moment that blended nostalgia with gratitude.

Lovato joined the Jonas Brothers to perform songs from "Camp Rock," sparking Disney Channel nostalgia for their fans.