World's Most Beautiful

9 Celebrity Sisters You've Most Likely Fallen in Love with Through the Years

In honor of PEOPLE's World's Most Beautiful issue, we're rounding up the buzziest, most successful siblings around


You know the saying: The sisters who go on double dates together stay close forever – and the same can be said for Ashlee and Jessica Simpson. Like many sisters, Ashlee and Jessica were complete opposites when it came to their musical sound; while Jessica conquered pop, Ashlee delved into an edgier sound. Today, the duo continue to work and make us 'aww' (every time) with their adorable family 'grams.