Catherine Zeta-Jones and Michael Douglas pictured together last year

Just because their parents are Oscar-winning Hollywood royalty doesn’t mean Catherine Zeta-Jones and Michael Douglas’ children missed out on the hallowed and oh-so-British rite of passage that is staying in a chain holiday park in the summer.

In a new interview with Radio Times, the Chicago star shared that while she was raising her two children, 24-year-old Dylan and 22-year-old Carys, she wanted them to spend time every summer with their grandparents in Wales – something she claims she’s still insistent on today.

“I’m adamant that they go back to Wales every year to be with their grandparents for two weeks,” she explained, claiming that when they arrive it’s “Nana and Grampy’s rules.”

Catherine continued: “They’ve been to Butlin’s, Legoland, seen the sights in London,........

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