It is implied that a man is watching a pornographic film in his hotel room. The screen of the tv is not shown but the sound of women moaning can be heard while he and another character are having a discussion. The scene runs about a minute or less.
No nudity.
Miss Stevens talks with a guy hitting on her about sex, then they're shown sitting on a bed next to each other and she's wearing her bra. Then she's shown under the covers in bed, presumably naked.
Miss Stevens is shown walking around alone in a shirt and panties.