She explained that while her children want to get married one day, they are happy that the couple are not – as it’s how they work best. Together, the couple shares a son – Wyatt - while Hawn also has two children – Kate and Oliver – from her relationship with Bill Hudson.

“Not every relationship works, and that is the truth, and I don’t care whether you’re a movie star, or just a person on the street,” she said.

“In a healthy, longer term relationship, I would say it’s great to be together about 68 per cent of the time,” she says about how much time to spend with your partner.

Read more: Celebrities speak out on the secret to long-lasting love

“Not marrying my partner kept us together:” Goldie Hawn on the secret to lasting love