The famous couple met in 1983 and have a son Wyatt together. Hawn also has two children, the actors Kate and Oliver Hudson, from her marriage to Bill Hudson.
Discussing what has kept her relationship intact for so long, the Foul Play actress suggested the key to a long and healthy relationship is not to take the traditional route, suggesting she would have “long been divorced” if she and Russell had ever tied the knot.
“I would have been long divorced if I’d been married,” she told the Loose Women panellists on Monday. “Marriage is an interesting, psychological thing. If you need to feel bound to someone then it’s important to be married.