(egotastic.com) - Rihanna doesn't need a bra. But more than that, she wants you to know it. Wearing a body-hugging purple dress, with a neck line so low, you can practically see her belly button, Rihanna is giving us a peek at some pretty awesome cleavage. And why shouldn't she? With breasts that perky, I'd do the same thing. If I had breasts.