Willow Camille Reign Smith (born October 31, 2000), known professionally as Willow, is an American singer, actress and dancer. She is the daughter of Will Smith and Jada Pinkett Smith, and the younger sister of Jaden Smith and half-sister of Willard Carroll "Trey" Smith III. Smith made her acting debut in 2007 in the film I Am Legend and later appeared in Kit Kittredge: An American Girl alongside Abigail Breslin. She received a Young Artist Award for her performance.

Besides her acting, she launched a music career in the fall of 2010 with the release of her singles "Whip My Hair" and "21st Century Girl", and signed to her current mentor Jay-Z's record label Roc Nation, becoming the youngest artist signed to the label. "Whip My Hair" has peaked at number 11 on the Billboard Hot 100. The video was nominated for Video of the Year at the BET Awards of 2011.