Rihanna is clearly very comfortable in her skin ... and not much else!
The sexy singer hit the red carpet at the premiere of "Battleship" last night in L.A. -- where she flaunted her hot legs and bare back in a very skimpy, backless white dress.
She was joined by co-stars Brooklyn Decker (who also stunned in white), Liam Neeson, Alexander Skarsgard and Taylor Kitsch -- who had a reunion with "Friday Night Lights" alum Connie Britton.
While they all looked pretty great, all eyes were definitely on RiRi and that revealing gown though.
Check out all the premiere pics above!
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