The One Show viewers were left in disbelief during Mary Berry's milestone celebration on Monday (March 24).

The former Great British Bake Off star celebrated her 90th birthday on the latest episode of the programme, alongside hosts Alex Jones and Roman Kemp.

"She's been the queen of home cooking for decades, from editing housewife magazine in the 60s to becoming a household name around the as the star of ," Roman began.

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The special episode saw Mary surprised by visits from a few of her former co-stars, as well as some sweet birthday messages from others.

Those who sent in video tributes included Dame Joanna Lumley, Paul Hollywood, Andi Oliver and Don Warrington. Mary's husband Paul also recorded a sweet message for her.

Mary then received a special tribute from , who said that he has "loved" working with the "national treasure" over the years.

Later on, star Claudia Winkleman made a surprise appearance on the green sofa, where she explained why working with Mary was a "career highlight".

Speaking about Mary's influence, Claudia said: "My sister used to make me a cheesecake and it was always your recipe, and that's how we knew about Mary. My son is obsessed, all of us, and if we ever want to cook anything, we just get one of Mary's books."

Mary was then reunited with her former GBBO co-stars Mel Giedroyc and Sue Perkins, who looked back on their shared memories from the iconic tent.

The baking sensation also teamed up with host Alex Jones to revisit her childhood home in Bath, allowing the 90-year-old to share some rare insights into her personal life.

At the end of the special episode, Mary was delighted to see Michael Ball and the BBC singers perform a special rendition of one of Mary's Desert Island picks, adapting the lyrics of ABBA's 1975 hit Mamma Mia.

After tuning into the show, many fans took to X (formerly ) to share their surprise at Mary's age, with one writing: "Mary Berry looking absolutely fabulous."

"Mary looks better now than she did when she was younger," another added, while a third said: "Love Mary Berry. Such a lovely lady, looks grand at 90."

Another viewer noted: "She looks incredible, love her," with a fifth person writing: "I'm amazed Dame Mary is 90 and her husband is 93."

The One Show airs weekdays at 7pm on BBC One