Leighton Meester and Taylor Momsen set pulses racing as they earned their fashion stripes at the premiere of new movie Sex Drive.

The fashion stakes are just as high off-screen as they are on - but which Gossip Girl outshone the other?

Taylor looked gorgeous in a black and white strapless number with a ruffled design and a sassy up-do.

Leighton (left) shined in black stilettos and Taylor (right) showing off her pins

Meanwhile Leighton kept it simple in a classic cut dress teamed with a black waist belt.

Be sure to leave your thoughts on who has the best style!