I don’t care about Labor Day — it’s still summer until Monday! That’s why I wore a summer dress to my stepdaughter’s 30th birthday dinner last week (I’ve known her since she was eight! Holy shit!) What Wendy Wore Dress: Possible vintage Michael Vollbracht (2005-ish?) Shoes: Prada (2010) Purse Louis Vuitton Cerise (2005) I didn’t realize till…