On Sunday, Rihanna was seen out at the event in a black lace maxi dress. The skirt of the slip had a super-high leg slit on one side, which revealed a sliver of Rihanna’s matching lacy thong.

Rihanna, sporting sunglasses and a pearl necklace, is holding her infant son, moments after giving brith to him. The "We Found Love" star told her fans not to ask about the birthing outfit.