Melissa Joan Hart is an American actress, director, producer, singer, and businesswoman. She is best known for her roles as the titular character in the television series Clarissa Explains It All and Sabrina the Teenage Witch. Hart is also a successful businesswoman, having established a clothing line, King of Harts, and created a production company, Hartbreak Films. She has starred in several movies and appeared on various TV shows throughout her career. With her bubbly personality and diverse talents, Hart continues to be a fan favorite.