Rihanna can't help Katie Ledecky in the pool or Simone Biles on the beam, but, she can make sure the athletes look their best away from competition ... RiRi's Fenty Beauty brand inked a sponsorship deal with the Olympics!
And, the Paralympics, too!
Rihanna broke the news on social media Thursday morning ... saying the beauty brand she founded in 2017 will serve as an official "premium partner" of the 2024 Paris Games during the month-long global event.