The "Diamonds" singer bared her nipples in a fishnet top -- with no bra -- at the Balmain fashion show after party in Paris on Thursday.
Designer Jeremy Scott shared this risque photo on Instagram, writing, "MY GURLZ @themisshapes IN MY MADBALLS X JEREMY SCOTT FW14 & @badgalriri IN BARELY ANYTHING !"
The face of the high-fashion brand's Spring 2014 line added a pop of color to the racy ensemble with her signature red lip and rocked a dramatic cat eye and a choker -- but her nipples definitely stole the show.
The brunette beauty also shared a series of snapshots on Instagram from earlier in the day, showing her hanging out with the designer backstage.
"@olivier_rousteing my fashion soul mate!!! #Balmain #backstagelife #PFW,' she wrote along with the cute candid.
The 26-year-old superstar has donned her fair share of revealing outfits, but this is definitely her most daring yet!
What do you think of her flashy fashion choice? Tell toofab in the comment section below, and click "Launch Gallery" above to see Rihanna's sexiest TwitPics.