Courteney Cox has Ed Sheeran, Isla Fisher and Sacha Baron Cohen to thank for her relationship with Johnny McDaid. The 57-year-old actress has been dating Snow Patrol star Johnny, 45, since 2013 and the pair met when Ed invited him along with a whole host of celebrity friends including Taylor Swift and Harry Styles to a gathering at her house before ‘Borat’ star Sacha intervened to get the pair to hook up. Courteney recalled: “Ed said, ‘Can I have some friends over this week?’ And I said, ‘Of course!’ He invited Johnny, Gary Lightbody, both of them from Snow Patrol, Taylor Swift… some great mus…