United Kingdom, July 3 -- Olivia Wilde thinks "difficult conversations" keep relationships alive.

The actress - who was married to filmmaker Tao Ruspoli, 50, from 2003 until 2011, and went on to have romances with Ted Lasso's Jason Sudeikis, 50, from 2011 until 2020, and singer Harry Styles, 32, from 2021 until 2022 - says openness and honesty can help couples overcome challenges.

Those themes are central to Olivia's new movie, The Invite, which sees her and Seth Rogan, 44, play a struggling married couple Angela and Joe, who are forced to face their problems when they invite a free-spirited set of neighbours, Pina (Penelope Cruz) and Hawk (Edward Norton) for dinner.

Olivia, 42, told People: "Relationships are hard. It's impossible to....