Michelle Trachtenberg Joins 'Gossip Girl'

Buffy alum Michelle Trachtenberg is joining the cast of Gossip Girl, reports TV Guide.

Trachtenberg, 22, will play Georgina Sparks, a troublemaker from Serena’s (Blake Lively) past. Mischa Barton reportedly turned down the role.

You just know there’s going to be a Blair (Leighton Meester) and Georgina showdown!!!

Michelle‘s comeback career since 2003′s Buffy is certainly starting to take off! She’s also starring alongside teen heartthrob Zac Efron in 17 Again, out in August.