The Jonas Brothers already had fans feeling nostalgic with their new tour and then they raised those stakes with their first ...

Demi Lovato joined the Jonas Brothers onstage for the opening night of their tour at MetLife Stadium in New Jersey.

Demi Lovato joined ex Joe Jonas as well as Nick Jonas and Kevin Jonas on stage at the Jonas Brothers' Aug. 10 concert, where ...

Demi Lovato surprises fans by joining the Jonas Brothers at the Jonas20 anniversary tour opener for a “Camp Rock” reunion.

The pair sang "This Is Me" and "Wouldn't Change a Thing," 17 years after the Disney Channel original movie was released.

It’s been 17 years since the first ‘Camp Rock’ movie was released, but since Demi’s reunion with the Jonas Brothers, fans are ...

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

Watch Jonas Brothers and Demi Lovato perform 'Gotta Find You,' 'Wouldn't Change a Thing,' and 'This Is Me' at Metlife Stadium tour opener.

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

The Jonas Brothers brought out Disney co-star Demi Lovato as a surprise guest at their New Jersey stop for their "JONAS20" ...

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

Exes Demi Lovato and Joe Jonas teamed up for a few 'Camp Rock' classics at kick-off of the Jonas Brothers' 20th anniversary tour on Sunday (Aug. 10).