British model, style icon and TV presenter Alexa Chung is set to guest star on Gossip Girl this fall, according to a new UK report. She was recently seen on the set in a blue, sailor-esque dress and heels (below).

The 28-year-old's role in Gossip Girl Season 6 is unclear, but we look forward to seeing what her new role might bring - whether she's playing herself or not. Any theories or ideas on that subject?

Share your comments on all things Upper East Side with us below and be sure to check back throughout the summer for casting news, rumors, discussion and Gossip Girl spoilers galore.

Alexa Chung on the New York City set of Gossip Girl.

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