Sigourney Weaver helped Trinity Jo-Li Bliss during the filming of "Avatar." 🎥

Jamie Lee Curtis is close friends with Sigourney Weaver. 🤝

Sigourney Weaver learned how to hold her breath underwater for six minutes for 'Avatar 2.' 🤯

Young Sigourney was at the Beatles' Hollywood Bowl concert in 1965! 🙌

Check out more celebrity profiles of Rising Stars and superstars like Mike Trout, Harry Lloyd or Paul Giamatti. Find fun facts about their age, birthday, star sign, height, relationships and career highlights. Scroll through categories like Fashion and Dance or discover more Actors that are shaping today’s Movies.