A mystery man wearing green stole the show at the London premiere of Blake Lively’s It Ends With Us. Blake Lively is a woman who knows how to grab people’s attention and have all the eyes in the room focus on her. But at the premiere of her brand-new movie, It Ends With Us, the star had her moment stolen by a man in the crowd, who, quite simply, looked like he was in a trance. Arriving at Leicester Square, in the capital, Blake looked absolutely stunning, wearing another elegant floral gown. Her fashion theme has become a staple in the press tour as a reference to her characters’ flower shop. …