Together or apart, seems like Blair and Chuck can never decide! Serena and Dan aren't much better, come to think of it. But I think we can all agree that the Upper East Siders are looking lovelier than ever.

In between the sabotage by Uncle Jack (boo) and the return of Nate and Vanessa (yay), I still stopped to take note of the beauty details. See if you were also feeling alert by taking this quiz.

When you're done, be sure to visit CelebStyle for wardrobe information from this episode and take geek's gadget quiz and Fab's fashion quiz while you're at it.

Photo courtesy of The CW

Gossip Girl Beauty Quiz: Episode 15, "Gone With the Will"

How is Lily wearing her hair when she and Rufus meet with the adoption agency in Boston?