• My girlfriends and I just started doing plyometrics. It's a killer - it hurts so much. But when you walk out of there, you're like, 'I can't believe I just did that and my body looks this good.

    Kelly Osbourne: My girlfriends and I just started doing plyometrics. It's a killer - it hurts so much. But when you walk out of there, you're like, 'I can't believe I just did that and my body looks this good.