Halina Reijn didn't have to research how to direct sex scenes in 'Babygirl,' having acted in her share of them. But it helps to have a plan, she says.

With the help of an intimacy coordinator, Reijn led Kidman and her 28-year-old co-star Harris Dickinson through the film's sex scenes.

Babygirl' director Halina Reijn talks directing Nicole Kidman in sex scenes — and the milk moment involving Harris Dickinson.