Gossip Girl: Dair is Official (4-16)

To celebrate their official coming out as a couple, Blair and Dan host a glamorous British-themed Salon, including guests Julian Tepper and Jenna Gribbon (founders of The Oracle Club). Lola (guest star Ella Rae Peck) lands the audition of a lifetime, but Gossip Girl may have other plans for the Upper East Side's latest It Girl. Meanwhile, Lily and Rufus disagree over the best way to handle the Ivy situation, and Serena and Diana face-off over secrets they both would prefer remain secrets.

Chace Crawford and Ed Westwick also guest star. Norman Buckley directed the episode written by Natalie Krinsky.