80+ Celebrity Siblings, From the Hemsworths to the Cyruses

These two share remarkably stylish genes: both Charlotte and Lou are the daughters of actor and singer Jane Birkin and are successful in their own right. Charlotte is an actor and singer, as well as the longtime muse of former Balenciaga designer Nicolas Ghesquière. Younger half sister Lou has posed for Gap and serves as a muse for Givenchy, Burberry, and Vanessa Bruno. She also modeled for the Pirelli calendar in 2007.