Michael Douglas and Catherine Zeta Jones shared tributes on Saturday via Instagram.

Zeta-Jones, 52, and Douglas, 77, share the same date of birth — Sept. 25. Douglas posted a throwback picture of them.

“My first night meeting Catherine at the Deauville Film Festival in 1998. I found out that she had the same birthday as me — tadaah!,” Douglas wrote in his Instagram caption. When I found out she liked golf, all of my dreams came true. This is the best time of my life. “

” I just had a lucky break. Her intelligence, humor, and hard work are amazing. Thank you Catherine for being my best friend. “

EMMYS 2021 NOMINEE MICHAEL DOUGLAS ENJOYS DATE NIGHT WITH WIFE CATHERINE ZETA-JONES

Michael Douglas and Catherine Zeta-Jones wished each other a happy birthday in sweet Instagram tributes. They share the same birthday, Sept. 25.

Michael Douglas and Catherine Zeta-Jones wished each other a happy birthday in sweet Instagram tributes. They share the same birthday, Sept. 25. (Photo by Francis Specker/CBS via Getty Images)

Zeta-Jones shared her own post honoring Douglas.

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“Happy Birthday to me. Happy Birthday to him, Happy Birthday to my husband and his wife, Happy Birthday to me, and me, and me, and Michael,” Zeta-Jones captioned her post.

“Here’s to more years that we can celebrate September 25th together,” she added. Love you. “

Zeta-Jones and Douglas tied the knot in 2000.

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The actress revealed the secret to their successful marriage is their strong connection in an interview with WSJ magazine.

” My husband and me spend lots of time together, because unlike many couples, it has never been a consistent 9-to-5 job.” she explained to the outlet. We’re either there or gone. I’m really working 16 hours a day or I’m not. He does the same thing or not. We’ve shared a lot of our time together, and it’s been a great experience. “