Fashion designer Calvin Klein, 83, and his much younger model boyfriend Kevin Baker, 36, raised eyebrows after stepping out last week. The couple, who have a 46-year age gap and been together for almost a decade, hit New York's East Village to celebrate the launch of Vogue photographer Steven Klein's new book. Unfortunately, Klein ran into some trouble while entering The Brant Foundation art gallery, where the star-studded event was being held. The octogenarian became confused by camera flashes