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

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

On an appearance on The Ellen Show, the host inquired about the song’s subject. “There’s supposedly a song about Nick Jonas,” ...

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

"We’ve been through so much together," the singer said of her fellow Disney Channel alums. "It was really, really great to ...

For Demi Lovato, reuniting with the Jonas Brothers at the kickoff show for the band’s 20th anniversary tour was “an instant ...

Demi Lovato opened up about her heartfelt Jonas Brothers reunion at MetLife, explaining how Joe Jonas asked her to perform ‘This Is Me’ ...

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

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

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

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