Guess Who’s Back! Which Two Gossip Girl Troublemakers Will Return For the Final Season?

Gossip Girl has had so many firestarters and rumor-spreaders over the past few years — heck, the whole show is about talking behind peoples’ backs, at the core of it. Besides the tiffs and feuds that are fun to watch, there have definitely been a few straight-up villains in the mix. The two stinkers we spotted on set to shoot some scenes for Season 6 really made our blood boil and our teeth chatter in fear of their wrath during their stints on the show.

So, who’s ba-ack? Click here to find out...