Alexa Chung will guest-star on 'Gossip Girl'.

It's been announced that Alexa Chung will be guest-starring in the sixth and final season of 'Gossip Girl'.

Apparently, Chung will play herself, as part of a storyline involving Blair Waldorf's new fashion-line.

The above photo is of Chung on-set in New York filming scenes for 'Gossip Girl'.