Mariah Carey 101: How to Be a Diva

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

9. ROCK MEGA-BLING

Diamonds are a diva's best friend. So are rubies. And anything else that glitters. Carey's 17-carat, pink diamond Jacob & Co. wedding ring from husband Nick Cannon alone is worth an estimated $2.5 million!