Anne Hathaway - Havoc

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...

Natalie Paul standing facing a guy as she pulls her bra off and bares her breasts. She then slowly steps toward him and touches his face before we see them having sex with Natalie on her back, still...

Astrid Bergès-Frisbey making out with a guy as he pulls her sweater off. We then see her in a pink bra as she kisses the guy some more and he spins her around while removing the bra - her...

Rosario Dawson - Alexander (2004)

Shannyn Sossamon of A Knight's Tale fame sitting topless on a couch blindfolded giving us a good look at her left breast as a guy leans down to kiss her neck and she reaches up behind his head.