Rebel Wilson isn't the only one in her family making her health a priority. The star's younger sister, Annachi, shared some stunning photos recently and looked better than ever. MORE: Rebel Wilson's 'hot girl' swimsuit video in belted one-piece is a scene-stealerRebel's sister, 30, looked like a brunette version of her famous sister, 41, in snapshots from a tropical beach getaway.WATCH: Rebel Wilson stuns in a dazzling red gown In one particularly gorgeous image, Annachi was standing on a boat