Kate and Pippa MiddletonFlynetpictures; CelebrityPhoto; Getty Images (2)

The world can’t get enough of the Middleton sisters, celebrities included! That’s why we caught up with some of our favorite style stars to ask them which sister they relate to more—Duchess Catherine, with her regal husband and classic style, or Pippa, with her socialite schedule and subtle sexiness? Click through the gallery to find out what Katie Holmes, Brad Goreski, Kerry Washington, and more told us! Then tell us in the comments below: Which Middleton sister are you?