Sadiq Khan has admitted he is a huge fan of Taylor Swift as the American singer looks set to return to London next month for her record-breaking Eras Tour. The London Mayor, who won re-election earlier this month, welcomed Swift’s stop-off in the UK capital during her 36-part tour. Swift, 34, will visit the home of English football Wembley Stadium for a series of concerts between June 21 and August 20. Sharing his delight about Swift’s Wembley appearance next month, Khan said: “As a proud Swiftie, I’m very excited that Taylor Swift and her record-breaking Eras Tour will be in London next month…