"Can’t wait for 24," Michael Douglas wrote in a social media tribute
The actress, 54, shared a heartfelt message on Instagram over the weekend, which featured throwback photos from the pair's 2000 wedding and other relationship highlights from over the years.
"Today we celebrate 23 years of marriage❤️ Darling Michael, your Nobel Peace Prize awaits😂😘❤️," Zeta-Jones wrote to her husband, 79. "I love you…from your darling wife, a gold star Medal of Honor recipient😘."
Douglas also shared a post on his Instagram page of an image of the duo dancing together.
"Happy 23 and Me, my darling @catherinezetajones," he captioned his post. "Can’t wait for 24! Happy Anniversary ❤️ #23years."
Under Douglas' post, Zeta-Jones shared a sweet message to her husband: "Love you sweetheart, may our dance never end❤️."
Several friends and fans congratulated the pair on social media, including Martha Stewart, who recalled attending the couple's wedding back over 20 years ago.
"You had a most beautiful wedding," she wrote under Zeta-Jones' post. "And remember Thanksgiving at [producer] Joel Silver's home in South Carolina the year before???"
Outside of now celebrating their anniversary, and their same-day birthday back in September, Douglas and Zeta-Jones have had plenty to toast this year. Back in August, they celebrated their son Dylan's 23rd birthday by sharing touching posts in his honor.
"Happy birthday Dylan! May YOUR new year, bring you joy, imagination, and love," Douglas wrote on Instagram, as he signed off, "Your biggest fan, Dad."
And while Zeta-Jones commented "Happy birthday my boy❤️" under her husband's post, she also shared a message of her own to her account. The actress, who also is mother to daughter Carys, 20, with Douglas, shared an image of Dylan as a baby.
"23 years ago today, my boy @dylan__douglas was born," she wrote. "He is the gift that keeps on giving, over and over and over and over again. I love you my love♥️."
Douglas is also dad to son Cameron, 44, who he shares with his ex-wife Diandra Luker.
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Last year, Zeta-Jones told PEOPLE that her family life has just been "blessed," as she raved about her children.
"Both my daughter and Dylan have been so incredibly supportive to me, not just as an actor, but just me, you know," she said. "I'm extremely blessed to be able to have both of them in my life."
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