famously fun

Seeing Double? National Look-Alike Day Exists For These 20 “Twinning” Stars

These celebrity look-alikes could seriously be siblings.

"A side-by-side comparison of lookalikes Rebel Wilson and Elizabeth Reaser."
John Shearer/Getty Images Entertainment + Rich Fury/Getty Images Entertainment

Mario (L) and Chris Rock (R)

Prince Williams/WireImage/Getty Images; Michael Ochs Archives/Getty Images

Jennifer Connelly (L) and Demi Moore (R)

Patricia Schlein/Star Max/GC Images/Getty Images; Pascal Le Segretain/Getty Images Entertainment/Getty Images