Watch Leighton Meester Perform Live On 'It's On With Alexa Chung'

In case you missed it, Leighton Meester stepped out of her Gossip Girl open-toed strappy Mary Janes and onto the stage of It's On With Alexa Chung today for a somewhat early-Madonna-meets-"Vogue" live performance of her new single, "Somebody To Love."

What do you think of Leighton's live performance? Watch it below and sound off in the comments.