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

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

Demi Lovato made a surprise appearance at the kickoff to the Jonas Brothers ‘ 20th anniversary tour at MetLife Stadium in ...

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.

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

Greetings From Your Hometown,” began August 10 with a special anniversary performance featuring Demi Lovato. The trek, ...

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

Lovato joked at Sunday's (Aug. 10) show at MetLife Stadium in New Jersey that it "might have been" more than a decade since ...

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

Kevin Jonas, Nick Jonas and Joe Jonas brought out special guest Demi Lovato, their co-star from "Camp Rock" and "Camp Rock 2." ...

Lovato made a surprise appearance at the JoBros concert in East Rutherford, New Jersey, on Sunday. And they made fans' dreams ...