AP Photo/Chris Pizzello
Actress/singer Miley Cyrus, second from left, star of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert," poses with (L-R) Kevin, Joseph and Nicholas Jonas of the Jonas Brothers pop band, at the world premiere of the film in Los Angeles, Thursday, Jan. 17, 2008.
Michael Yarish/FOX
Miley Cyrus and the Jonas Brothers hand out the award for choice R&B track at the Teen Choice 2007 awards at the Gibson Amphitheater in Universal City, Calif. on Aug. 26, 2007.
CBS/Judy Faber
Teen recording artists The Jonas Brothers, left, pose with JoJo at the "Style and Sound" party she hosted with singer Mya at Sephora in New York on Aug. 29, 2006.
Johnny Buzzerio
Nicholas, Joseph and Kevin Jonas of the Jonas Brothers pose in an undated publicity photo. The musical siblings have signed on to do a reality series on The Disney Channel called "Jonas Brothers: Living the Dream." The series will follow the brothers -- Kevin, 20, Joe, 18, and Nick, 15--on their current "Look Me in the Eyes" tour.
Johnny Buzzerio
The Jonas Brothers got a huge boost when they joined Miley Cyrus on her "Best of Both Worlds" tour.
Hollywood Records
The Jonas Brothers' self-titled 2007 album cover from Hollywood Records. Their first album, "It's About Time," was released a year earlier.
Johnny Buzzerio
Jonas Brothers in an undated publicity photo.
Johnny Buzzerio
Jonas Brothers in an undated publicity photo.
Johnny Buzzerio
Nicholas Jonas of the Jonas Brothers in an undated publicity photo. The trio's musical influences include everything from "My Chemical Romance" to the "Backstreet Boys" to "Weird Al Yankovic" (with whom the band recently shared the stage at New Jersey's Bamboozle festival).
Johnny Buzzerio
Joseph Jonas of the Jonas Brothers in an undated publicity photo. The band spent much of 2006 on the road with "tween-scene heavyweights" such as Jesse McCartney, the Veronicas and Aly & AJ.
Johnny Buzzerio
Kevin Jonas of the Jonas Brothers in an undated publicity photo. On March 21, 2008 the musical siblings performed "When You Look Me In The Eyes," "S.O.S." and "Hold On" on CBS' Early Show.