Last Night's Parties: Your Week At The Best Parties in DC

What: Ansel Egort DJ Performance Where: Echostage Who was there: Echostage co-owner Pete Kalamoutsos, CAA's Mac Clark, The Chainsmokers (in Halloween make-up), Ansel Elgort and Kevin Spacey. Other details: Actor & DJ Ansel Elgort (Divergent, The Fault in Our Stars), in full Halloween face paint, opened for The Chainsmokers. Good friend Actor Kevin Spacey made a surprise appearance in support of his friendship with Ansel. He spent time as a member of the audience to get a full view of Egort's performance. [Photo via Danilo Lewis]