United Kingdom, Dec. 17 -- Gwyneth Paltrow's son Moses covered his eyes during his mother's raunchy sex scenes in Marty Supreme.

The Hollywood actress, 53, stars opposite Timothee Chalamet, 29, in the new sports drama and she took her 19-year-old son along to the film's Los Angeles premiere earlier this month, but Moses couldn't bear to watch the moment his mom stripped off onscreen.

During an appearance on Late Night With Seth Meyers on Monday, she was asked how the teen handled the film's sex scenes and she replied: "Not great".

She went on to crouch over and put her hands over her eyes, adding: "He was like this the entire time. He's not into that."

Gwyneth - who is dad to Moses and daughter Apple, 21, with her ex-husband Chris Mar...