The Jonas Brothers will cover a Special Collector’s Edition of CosmoGirl Magazine, on newsstands June 17th.

“I was totally not down with singing,” says Joe Jonas, 18. “I was trying to be cool and just wanted to skateboard and be the funny guy….Seeing the reactions they [Kevin, Nick] got from the girls, I was like, ‘Maybe I should try and sing,’” he says. “And then I fell in love with it.”

Catch this Behind-The-Scenes Footage of the Jonas boys (Kevin, 20, Joe, 18, Nick, 15) during their CosmoGirl photoshoot.