Sigourney Weaver, 71, dons a black wetsuit and holds hands with husband Jim Simpson after a swim

Sigourney Weaver heads out on a dog walk with her daughter Charlotte on a sunny afternoon

Sigourney Weaver strolls on the beach after swimming in the ocean

‘Alien’ Star Sigourney Weaver, 71, & Look-Alike Daughter, Charlotte, 30, Hit The Beach in One-Piece Swimsuits