Actress Julianne Moore is doing press for her upcoming psychological thriller Chloe. The 49-year-old stars as a woman who hires a prostitute to test her husband’s fidelity. Moore shares a graphic lesbian scene in the film with costar Amanda Seyfried, who goes nude for the part (click here for a peek).

In the following clip, Moore discusses her role and the sexually-charged scene and tries really hard to convince us that we’re not supposed to touch ourselves when we see it.

Chloe is directed by Atom Egoyan and penned by Secretary scribe Erin Cressida Wilson. The film also stars Liam Neeson as Moore’s husband.

Intrigued? The following scene sets up the drama. Take a look: