Jonas BrothersThe Jonas Brothers have revealed they’re all virgins - and they plan to stay that way until their married.

The three brothers - twenty year old Kevin, eighteen year old Joe and fifteen year old Nick - told Details magazine that they all wear purity rings to symbolise their pledge.

Joe explained the rings represent “promises to ourselves and to God that we’ll stay pure till marriage”.

Joe’s ring is silver and is adorned with a cross but it’s not in the best of shape: “It actually ripped apart a little bit, just on the bottom, here, but I didn’t want to get a new one, because this one means so much to me.”

Kevin added that his is similarly damaged: “It’s getting banged up a little bit because of the guitar. It’s pretty rock and roll.”

But while Kevin bought his ring at Tiffany & Co, Nick got his “made at Disney World” and he thinks “it’s pretty awesome.”