24 Stars You Forgot Were On 'Gossip Girl'

The CW's "Gossip Girl" acted as a career springboard for so many of its leads, but that doesn't mean they're the only big stars that were on the show. Whenever you go back to a series years later, you're bound to recognize a lot more faces than you did the first time around. The same goes for this hit drama, as there were a lot of celebrities who had both large guest roles or small roles on the show. Now that it's been 10 years since the show first premiered, take a look at some of the famous na...