Gossip Girl (2007): Season 2, Episode 12

2 - 12: It's a Wonderful Lie

For the annual Snowflake Ball, Blair and Chuck make a bet that they can find the ideal dates for each other. Aaron's ex-girlfriend, Lexi (guest star Natalie Knepp), expresses an interest in Dan. Nate, Jenny and Vanessa get into a tangled situation that puts their friendships and hearts on the line.