Catherine Zeta-Jones celebrated her birthday suit for a special occasion. The “Chicago” star shared a photo of herself naked on Wednesday to commemorate her and her husband Michael Douglas’ birthdays. Zeta-Jones turned 55 while Douglas turned 80.

On Thursday, Zeta-Jones posted a video that featured her and U2 vocalist Bono serenading Douglas with the “Happy Birthday” song as they held a dessert with a lit candle. The celebrity couple wed in 2000 and share two children together. Douglas also shares a son with his ex-wife, Diandra Luker.

Catherine Zeta-Jones put on her birthday suit in honor of her husband, Michael Douglas’ 80th birthday earlier this month.

Catherine Zeta-Jones embraced her birthday suit in celebration of Michael Douglas’ 80th birthday on Wednesday. As a present to her husband of 24 years, the “Entrapment” star shared a revealing snapshot of herself on Instagram, which showed her leaning against a bathroom vanity with nothing on except a pair of sky-high heels.

The U2 rocker and Wednesday actress sang the medley of "Happy Birthday" together, directing their message to the Douglas while also including "Catherine's" name. Bono held a small plate with a single cupcake, candle ablaze as they belted out the familiar tune.

Longtime New York resident actress Catherine Zeta-Jones found a new meaning for the term "birthday suit" in a new social media post. The 55-year-old actress posted a naked photo of herself on Instagram on Thursday, Sept. 25 to celebrate both her birthday and that of her husband, acclaimed actor Michael Douglas, who turned 80.

Jones, 55, who shares a birthday with husband Michael Douglas, admitted she's "running out of gift ideas" after 25 years together.

Douglas turned 80 and Zeta-Jones turned 55 on Wednesday, Sept. 25, with the longtime couple posting tributes to one another on social media

Catherine Zeta-Jones and Michael Douglas have been happily married for more than two decades. Throughout that time, the Oscar-winning actors have celebrated many birthdays together as they share the same special day on Sept.