Robe Lowe is kissing and telling. The actor, 62, named actress and model Nastassja Kinski as his best on-screen kiss ever during his appearance on “Watch What Happens Live” Sunday. Host Andy Cohen asked him who his best on-camera smooch was during a game of “Plead the Fifth,” and Lowe named Kinski with zero hesitation — even as Cohen listed his other notable on-screen kisses with Demi Moore, Rashida Jones, Kim Cattrall, Calista Flockhart, Meg Tilly and more. When asked why he named Kinski, Lowe bluntly replied, “Have a look at her.” He added, “At that moment in time, she was probably the most beautiful woman I’d certainly ever seen.” He…
