Natalie Portman - Planetarium

Florence Pugh - Lady Macbeth http://www.imdb.com/name/nm6073955/

Patricia McKenzie wearing nothing but an unzipped jacket as she has sex with a guy, riding him as he sits up and she holds his head to her chest. We then see more of her breasts as she talks to the guy...

Katherine Waterston - The Babysitters

Olivia doffs her top in the garage, and unleashes her massive melons to be manhandled. This playroom has great toys!

Sigourney Weaver standing in a bathroom topless, showing her right breast first when she lays a towel over a rack and then talking to a guy for a while, her breasts not quite reflected in the mirror...