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Michael Douglas Calls Catherine Zeta-Jones His 'Birthday Sister'
9/30/2025
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Story summary
- Michael Douglas and Catherine Zeta-Jones celebrated their birthday on September 25, with Douglas calling her his "birthday sister."
- Douglas, 81, praised Zeta-Jones, 56, in an Instagram post celebrating her achievement at the Celebrity Ryder Cup.
- Fans questioned the term "birthday sister."
- Zeta-Jones faced reactions on Late Night with Seth Meyers for a joke about their age difference, but remained lighthearted.
