Halle Berry is enjoying her Christmas with her long time boyfriend Van Hunt, 54, in a tropical locale.The Catwoman star, 58, shared a handful of vacation snaps on Instagram including one in a black one piece swimsuit that accented her curves beautifully.She also wore a white straw fedora with a black band in the photo. She captioned the post: 'I can't decide if I want to be naughty or nice this Christmas, but I am having a hell of a good time. Merry Christmas everyone!'In the next photo, Halle wore an oversized Grinch t-shirt. She also shared a photo with Van who was wearing a Lollapalooza t-shirt.Other photos in the set included a shot of the beach and a small, cute wild animal getting into the villa and eating their food. Halle…