Mariah Carey 101: How to Be a Diva

The ultimate guide to birthday girl Mimi – champagne, tight clothes and butterflies everywhere!

10. WEAR TIGHT CLOTHES

If you've got it, flaunt it – like Mariah Carey does. "I can't try to compete with people that weigh eighty pounds soaking wet when, look, I'm ethnic," she told Rolling Stone. "I've got a butt."