Gossip Girl star Taylor Momsen (Jenny Humphrey) debuted yet another new hairstyle and dressed to impress at the Anna Sui Fall 2009 fashion show during the Mercedes-Benz Fashion Week events at Bryant Park in New York City Wednesday ...

The 15-year-old actress and model has been quite active during the last week, recently appearing at the amfAR New York Gala last Thursday in a flowing green gown.

Click to enlarge many more Taylor Momsen photos from last night's show ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.