Fashion Face-Off: Rihanna vs. Leighton Meester

Skinny jeans are all the rage. Or at least enough of a rage to be sported by a couple of beautiful young stars recently. Which gal looked best in them, though?

Rihanna stepped out in London in MiH's "Olso" jeans last year, while Gossip Girl star Leighton Meester kept it casual in the same pair for a flight to Los Angeles.

They're both gorgeous, but who wore it best? Vote in the poll below - and if you're a fan of Leighton's show, follow this link for all the latest Gossip Girl spoilers!