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

Joe Jonas and Demi Lovato reunited for a long-awaited Camp Rock reunion alongside Nick Jonas and Kevin Jonas for the opening ...

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

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

The pair sang "This Is Me" and "Wouldn't Change a Thing," 17 years after the Disney Chanel 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 ...

- Dean Lewis, the Australian pop balladeer of “Be Alright” fame, trotted out mid-set to perform the new “Greetings” tune ...

The Jonas Brothers surprised fans Sunday night by bringing out a surprise guest at their 20th anniversary tour: Demi Lovato.

The Disney Channel alums performed "Gotta Find You," "This Is Me," and "Wouldn't Change a Thing" for an enthralled audience ...

Demi Lovato wasn't the only Jonas Brothers' guest star Sunday: Members of Switchfoot, Dean Lewis, Jesse McCartney and ...

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