Robyn and Blake Lively
Robyn and Blake Lively showed up together on the red carpet at the People's Choice Awards in 2017. Robyn became famous through her roles in movies and TV shows like "Ouja" as well as "Twin Peaks" where as her sister Blake starred in "Gossip Girl" as well as movies like "The Town" and "The Shallows. The acting gene seems to be in the family, as you can tell.