Putting on the Fits

It was a week of delicious parties in rarefied settings. On Wednesday, Burberry took over Lucien, the East Village canteen frequented by art-world insiders, chain-smoking models and Chloë Sevigny. About 60 guests sipped martinis and ate steak frites at the 10-day pop-up that features Burberry’s check pattern on everything including the awning, stools and, of…