The band — consisting of brothers Joe, Nick and Kevin Jonas — kicked off their 20th anniversary tour on Sunday at MetLife ...

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

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

Joe, Kevin and Nick of the Jonas Brothers and Lovato starred in the 2008 Disney Channel Original Movie, Camp Rock, and it’s ...

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

On Sunday, Demi Lovato joined the Jonas Brothers on stage in New Jersey for the opening night of the JONAS20 tour, dazzling ...

Reflecting on her recent surprise appearance at a Jonas Brothers' concert, the 32-year-old singer called the performance both ...

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

Demi Lovato stole the show at the Jonas Brothers concert in a sage green Acne Studios look featuring a triangle bra top and ...

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

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

Lovato opened up about the "incredible" moment with the Jonas Brothers at New Jersey's MetLife Stadium on the 'Chicks in the ...