Rihanna's Met Gala looks always wow the red carpet. See every outfit she's worn, from her papal look to her iconic yellow Guo ...

a white dress shirt, a maroon leather tie, and black loafers. But, Rihanna isn’t one to be upstaged, and the show-stopping all-blue look of the night actually belonged to her. She stole the show ...

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.