Demi Lovato, perhaps the most notable guest so far, was greeted by ear-shattering shrieks from millennial fans when she ...

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

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.

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

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

The show ended on a touching note when the Jonas family, including their youngest brother Franklin, joined them onstage to ...

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

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

Lovato joined the Jonas Brothers to perform songs from "Camp Rock," sparking Disney Channel nostalgia for their fans.

The Jonas Brothers' 2025 tour kicked off in New Jersey with a surprise guest appearance by Demi Lovato, the band's former ...

Selena Gomez and Demi Lovato. Donato Sardella/Getty In addition to Cyrus, 27, Lovato said she is friends with Ariana Grande, who also rose to fame as a teen. Though Grande, 26, was on a different ...