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Catherine Zeta Jones shared an adorable throwback snap on Instagram
The Oscar-winning actress, 47, looked fresh-faced and happy, cuddling her father-in-law as they enjoyed a dip in the pool with her two children, Carys and Dylan.
She shared the adorable throwback with her 757,000 Instagram followers yesterday, along with the caption: "Pool time with Pappy Kirk. Previous moments."
Wearing her hair pulled back in a casual bun, Catherine showed off her slender figure in a pink string bikini as she teased a glimpse of life in behind closed doors in the A-list family.
Catherine shared a sweet snap with father-in-law Kirk Douglas and her two children
Kirk and his wife Anne Hollywood actresss Catherine Zeta-Jones Wed, April 19, 2017
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Esteemed actor Kirk celebrated his 100th birthday last December and is the father of Catherine's husband of 17 years, Michael Douglas, 72.
Last month, he was pictured looking very loved up with his 98-year-old wife, Anne Douglas, as they attended the 25th anniversary of the Anne Douglas Centre at the Los Angeles Mission.
Kirk planted a tender kiss on his wife's hand as the pair posed for photographs together.
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Catherine with her husband Michael Douglas
Catherine and Michael with their children in 2015
Catherine recently revealed that Carys, 14, and Dylan, 16, are keen to get into show business and follow in the footsteps of their famous parents and grandparents.
During an appearance on Jimmy Kimmel earlier this year, she said: "I know it's going to be hard for them, because they've got their grandfather, Kirk, they've got me, they have Michael, but they so inherently love it and they're good!
"I just think that they've got the talent and I know that they have the drive," she continued.