Britney Spears Nipple Haze
We've seen this type of nipple slip taunting before, looks like a slip but you can't be sure. It's Britney Spears'  nipple haze, and in a purple dress no less! Click the image to judge for yourself...

Britney Spears Nipple Slip Rules
A Guide to Britney Spears Crotch

Image via AwfulPlasticSurgery