Established: Gained attention on the Disney Channel and released their first single in 2005.
Members: Brothers Kevin Jonas, Joe Jonas and Nick Jonas.
Biggest hits: "Burnin' Up," "Hold On" and "S.O.S"
Fun facts: In 2005 the brothers were the opening act for the Backstreet Boys. According to their website, on the Jonas Brothers World Tour 2009 they sold nearly 1 million tickets in just one week.
Trademark style: Boy band chic.
Best lyric: "I'm hot / You're cold / You go around / Like you know / Who I am / But you don't / You've got me on my toes" — "Burnin' Up"
Where they are today: Continuing the boy band craze, the Jonas Brothers have a major presence in the social media world with millions of fans following them on Facebook and MySpace. They continue to tour around the world and take breaks for solo projects. Check out the Jonas Brothers' appearance on The Oprah Show.
45 years of Tiger Beat heartthrobs