Michael Douglas Sparks Fans With Birthday Comment About Wife

Michael Douglas surprised fans with his affectionate birthday message to his wife, Catherine Zeta-Jones, referring to her as his “birthday sister,” a nickname that drew mixed reactions.

The couple, both born on September 25—25 years apart—celebrated their birthdays publicly. Douglas, 81, posted a selfie of the two playing golf, captioning it, “To my birthday sister—what a joy celebrating another year with you!” He also congratulated her on her performance at the Celebrity Ryder Cup and wished her a happy birthday.

Catherine Zeta-Jones and Michael Douglas playing golf.

Michael Douglas called his wife, Catherine Zeta-Jones, his “birthday sister” on Instagram because they share September 25 as their birthday.

Fans quickly noticed the unusual nickname and expressed confusion and concern in comments. Some criticized the term, clarifying that Zeta-Jones is Douglas’s wife, not his sister, asking, “That’s his wife, not his sister, what does he mean by birthday sister?”

Catherine Zeta-Jones and Michael Douglas posing together.

Zeta-Jones shared nostalgic photos of their years together, highlighting their relationship.

In honor of his birthday, Catherine Zeta-Jones, 56, also took to Instagram to wish him well, writing, “Happy Birthday Michael! Sharing this special day with you is once in a lifetime!😘”

Their daughter, Carys, shared a touching message along with a photo of her parents holding her and her mother’s hands, expressing gratitude for her family’s love and life’s joys.

Catherine Zeta-Jones and Michael Douglas kissing.

The couple has been married since 2000 and shares two children: Carys and 25-year-old Dylan. They also share a son from Douglas’s previous marriage.