The Jonas Brothers and Demi Lovato delighted fans on Sunday night when Lovato made a surprise appearance at the boy band’s ...

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

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

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

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

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

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

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

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).

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

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