Back in the days when neither man nor poet was feeling particularly tortured, when Taylor and Joe were still collaborating on such paeans to marital bliss as “Champagne Problems,” the singer threw her North London beau a birthday bash at Bob Bob Ricard. Ringing in Alwyn’s 29th with Ed Sheeran and Cherry Seaborn, this French fusion spot is the first name in London decadence, and with bubbly literally available at the touch of a button, the only problem the cabal would have faced with…

