Gabrielle Union [1] is a great actress and all-around fantastic human being [2], but whenever we lay eyes on her, we have to wonder if she's some kind of vampire or age-resistant witch. The 46-year-old star has a habit of slipping into a bikini [3] and dropping jaws around the globe with her steamy Instagram snaps — which is why we're celebrating Gabrielle's out-of-this-world physique with her best bikini photos.
