Instagram/Lily Allen & David Harbou Music Lily Allen transforms shopping receipts into a dramatic gown onstage, embodying betrayal in her new song "4chan Stan" during her West End Girl tour. March 9, 2026 AceShowbiz - Lily Allen gave a striking performance on the opening night of her West End Girl tour on March 2, wearing a memorable dress that seemed to tell a story of her recent breakup with David Harbour.