Taylor Swift Taps Florence and Jack Antonoff as ‘Eras Tour’ Guests in London

Florence Welch joined Taylor Swift for the latter’s final concert in London on Tuesday to deliver the debut performance of their collaborative “Florida!!!” British fans were also treated to a surprise appearance from Jack Antonoff for “Death By a Thousand Cuts” and “Getaway Car,” while Swift also performed “So Long London” for the first time since the “Eras…