R5

R5 is an American pop rock band based in Los Angeles, California. Formed in 2009, the band consists of: Riker Lynch, Rocky Lynch, Ross Lynch (of Disney Channel's Austin & Ally), Rydel Lynch, and Ellington Lee Ratliff. In March 2010, they self-released an EP, Ready Set Rock, and in September released their debut studio album with Hollywood Records.

source: Wikipedia