She probably did some singing too, but it was hard to hear over the constant Titanic jokes and nervous chuckling.
...and to prove it, take a look at these red-hot pictures of the stunning singer in action.
We got these fabulous shots of Umbrella diva RiRi rockin' it on stage on the world's biggest ocean liner, docked in Florida.
Rihanna was on stage in a skintight orange and black rubber dress and thigh-length leather boots.
She put on an amazing show, and it came just hours after she told a radio show how she was over Brown and she'd never felt better.
SHE'S ALSO NEVER LOOKED BETTER!
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