Ashley Olsen and Mary Kate Olsen

Ashley Olsen and Mary-Kate Olsen. Photo by John Salangsang /

Who: Ashley and Mary-Kate Olsen

Where: Sami Hayek’s “Nonversation” launch cocktail party, hosted by Just One Eye and Esthella Provos, at Just One Eye in L.A.

When: Thursday, December 10th

What: Each sister showed off her respective flair (and, in Mary-Kate's case, honeymoon tan) in all-black ensembles and crocodile bags by The Row.

Why: Everyone says black-on-black is a New York thing, and yet, here they are.