Back of Gossip Girl Kids Keep Things Hot Despite the NYC Chill Blake Lively and Ed Westwick were joined on set by newcomer Kevin Zegers in NYC yesterday. They were hard at work filming the show's third season, and last night's WTF moment-filled episode featured the controversial threesome that has some advocacy groups rather mad. Although our prediction about which three stars would be involved didn't end up being true, there was some romantic tension between Serena and her boss as well as more than enough drama amid all the fashion, beauty and tech on display. View 20 Photos › Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 To see more of Ed and Blake on set, just . View 20 Photos › Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 Photo 11 Photo 12 Photo 13 Photo 14 Photo 15 Photo 16 Photo 17 Photo 18 Photo 19 Photo 20 Image Sources: INFphoto.com and WireImage Comments girl21innyc 7 years I love/want Serena's wardrobe, Ed looks pretty good there it looks like he's lost weight! jenni5 7 years What NYC chill? It was almost 70 yesterday! redchick152 7 years i am drooling over serena's entire outfit!! i really want some argyle tights now! cupcakers 7 years I love the coat!It looks like a Juicy coat, anyone know? chocolate79 7 years Serena's coat is very cute beckkii 7 years woaaaah there's going to be a sixth season? awesome. sylviamcdanyel 7 years It's the 3rd season...and the threesome was totally mild. The show has been much racier! nutrihuney 7 years sixth season? time sure flies!