“To celebrate their official coming out as a couple, Blair (Leighton Meester) and Dan (Penn Badgley) 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 (Kelly Rutherford) and Rufus (Matthew Settle) disagree over the best way to handle the Ivy (Kaylee DeFer) situation, and Serena (Blake Lively) and Diana (Hurley) face-off over secrets they both would prefer remain secrets. Chace Crawford and Ed Westwick also guest star."
Source 1 + 2
Bow to the Met steps scene