Season 3 Episode 10 episode 10

Gossip Girl Season 3 Episode 10 "The Last Days of Disco Stick": Sneak peek of Lady Gaga's performance!

Here's a sneak peek of Lady Gaga's much-anticipated appearance on Gossip Girl!

Don't forget to check out other spoilers posted about this episode of Gossip Girl: "The Last Days of Disco Stick"

Source: Youtube