The tensions were high on last night's episode of Gossip Girl. Blair Waldorf had one of her infamous sleepovers and Jenny replaced Serena as the guest of honor. Does anyone else think these two are going to be the best of frenemies soon? But for all the drama that ensued, the sleepover definitely had its perks. The cocktails, the food, the free swag. Yes please! The only downfall was that tedious game of truth or dare. Meanwhile, Serena was finally able to go on a date with Dan. Thinking the date might be a casual affair, Serena stepped out in jeans, but then threw on that fabulous black beaded number. If you're as obsessed with the wardrobe as we are, be sure to check back later for a rundown of what the ladies wore, but you can take our fashion quiz now.

Photos courtesy of The CW