Nicki Minaj's Best Beauty Looks

If there's one thing that Nicki Minaj is known for (aside from her catchy music, that is), it's her over-the-top beauty looks. You have to give the girl credit: she continually ups the ante by wearing a variety of makeup palettes and extreme hairstyles. The raptress celebrates her 30th birthday today, and to celebrate, take a look back at some of the best beauty moments of her career. Happy birthday, Nicki!