Actress Michelle Trachtenberg is making a return to 'Gossip Girl' as troublemaker Georgina Sparks.
TVGuide.com reports that Trachtenberg will appear in the finale of the current series.
Trachtenberg currently stars in the new hospital drama series 'Mercy' on US television.
Her 'Gossip Girl' co-star Connor Paolo, who plays Eric van der Woodsen, is set to make a guest appearance in 'Mercy' as a pipe bomber.