Jessica Stam Alex MerrellEmily DiDonato, Tyson Ballou

New York Fashion Week may not have officially kicked off yet, but judging from last night's pre-NYFW festivities and previews, we have a lot to look forward to. Jessica Stam rocked printed pants for her "Team Stam" & LPD New York launch event, while Julia Restoin-Roitfeld kept it chic in black at the DETAILS September Issue dinner. Click through to see their looks, as well as all of the other great looks from Tuesday night.