Complex sentence: Carrie Frances Fisher (October 21,1956--December 27,2016) was an American actress, writer and humorist who was best known for playing Princess Leia in the "Star Wars" film series.
Split into simpler sentences: Carrie Frances Fisher (October 21,1956--December 27,2016) was an American actress, writer, and humorist. She was known for playing Princess Leia in the "Star Wars" film series.