Rihanna Nipple Slip -- Overexposed at Dinner

With her roots showing, a cockeyed facial expression, unflattering baggy men's jeans and a pair of construction boots, Rihanna's braless and see-through mesh top put on quite the R-rated show as she made her way to Da Silvano in the West Village this weekend.

Flaunt 'em if you got 'em.