REASONS FOR LUST:
Reason #1: Because when layered with tights and a sweater, it can do double duty as both a cocktail dress and a work outfit.
Reason #2: Because this weekend is technically the last time we can wear white.
Reason #3: Because it’s Friday night, and this dress feels just right.
Nina Ricci dress, $2,290, at net-a-porter.com