ITV fans were left astonished by Dermot O’Leary’s age as he celebrated his birthday live on air, revealing his secret to maintaining such a youthful appearance.

Dermot O’Leary (Image: Getty Images)
This Morning viewers were left in disbelief after discovering that Dermot O’Leary is 51 years old.
The revelation came during Friday’s (May 24) episode when the beloved presenter celebrated his birthday live on air.
The episode kicked off with blue confetti erupting around Dermot as Alison Hammond announced the milestone, with the This Morning crew pulling out all the stops to celebrate the occasion.
Alison set the tone by saying: “Do you know what? It’s a lovely age,” before playfully adding: “I’m still in my forties, darling!”
This episode marked Dermot’s first birthday where he chose to work.
Viewers quickly took to social media platform X (formerly Twitter) to express their amazement.
“No way he’s 51 omg he looks amazing,” one viewer commented.
Another echoed the sentiment, adding: “Dermot is 51 now? I remember his early days on Big Brother, god I feel old.”
Some This Morning viewers were surprised to see Dermot working on his birthday, while his co-host Hammond seemingly had the day off: “So Dermot has to work his birthday, but not Alison?” one person posted.
The birthday celebration continued with playful banter among the show’s hosts.
Later in the programme, guest Ashley James remarked on his youthful appearance, sparking a discussion about his ageless look. Vanessa Feltz humorously added: “I always think you’re in the region of 27.”
When asked about his secret to maintaining such a youthful visage, Dermot credited his wife, Dee Koppang, for her support.

Dermot O’Leary and wife Dee Koppang O’Leary (Image: Getty Images)
The couple’s love story began in 2002 when they met at a TV production company. After nearly a decade of dating, he proposed during a memorable trip to New York City.
The happy couple tied the knot ten years after they first met in the beautiful Chiddingstone, Kent.
The private couple had a baby boy in 2020, in the midst of Covid. Their son is named Kaspar.
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