Sometimes it seems like a good sense of fashion is something that must run in the family. Not only are these trendsetters always spotted looking super chic, they also share the same last names as some of Hollywood's biggest stars. You can stop thinking of them as "Beyonce's little sis" or "Scarlett's twin brother." These fashion savy celebrity siblings are style stars in their own right. Look through for our top picks for trendsetting relatives, as well as tips for emulating their style.