Following the scandalous Kiss on the Lips party, Serena receives an icy welcome from Blair, who is well aware that she slept with her boyfriend, Nate, before going to boarding school. Serena decides to take Dan to Chuck's fundraising brunch at The Palace. Jenny goes to Blair for advice, and Blair decides that having Jenny in her group of friends may work to her advantage. (watchseries.eu)
Again classy Blair blows everyone off.