Who: Karlie Kloss
Where: The J. Mendel Spring '13 after-party at No. 8, including a performance by Frank Ocean.
When: September 12th
What: A white, sleeveless silk dress with a plunging neckline and embroidery detail, by J. Mendel.
Why: Clean, white ensembles were all over the New York Spring '13 runways—leave it to Kloss to get a head start on the look.