Onscreen siblings Penn Badgley and Taylor Momsen filmed scenes for Gossip Girl yesterday and today in NYC, joined by Willa Holland, who you might recognize as The OC's Kaitlin Cooper. Willa is guest starring on GG playing a model named Agnes who turns out to be a bad influence on Jenny Humphrey. Thing got pretty dramatic filming last night and, judging by Willa's Georgina-esque outfit and tough girl stare, looks like we might have another badass to stir things up on the Upper East Side.


To see more of Pen, Taylor, Ed, and more, just read more.

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