Sometimes it feels like Hollywood is on a totally different planet -- one where celebrities are untouchable, beautiful freaks of nature. We forget that they're just like us -- they have siblings. Not only do these brothers and sisters function as huge support systems, they aren't too hard on the eyes either.
Patricia Bundchen, Gisele's twin sister, has found success as her manager. She's also a knockout, which certainly doesn't hurt. Savannah Miller, Sienna Miller's sister, has her own clothing line -- a very successful one that Sienna dons frequently.
Oliver Hudson, Kate's brother, is not only her sports game companion, he's on the hit show "Nashville."
For even more celebrities with grade-A genes, check out the slideshow below: