The very last episode of Gossip Girl airs tonight! Celebrate the end of an era by using our Hollywood Makeover Tool to try on some of the most dynamic hairstyles worn by the show’s cast, including Jessica Szohr’s tousled braid, Blake Lively’s retro curls, Taylor Momsen’s punk rock shag, or Leighton Meester’s layered bangs. Then share your new look on Facebook and Twitter to see what your friends think of your Upper East Side-inspired coiff. Plus, if you're an avid Instagram user, be sure to post your transformation as a Makeovergram to let your followers weigh in on your new look! Click the link below to get started, and be sure to catch Gossip Girl's final episode tonight at 8 PM EST on The CW.