Kate Winslet and Ned Rocknroll — whose love rose from the ashes of Richard Branson’s island home where they were both guests when it burned — are still going strong. The phoenix-like duo were seen at “Sleep No More” in Chelsea on Wednesday, where they “openly kissed in the coat-check line,” a spy said. Winslet looked chic in skinny trousers with her hair pulled back. The fireworks continued as the two raced through the show, chasing after Macbeth.