Good Morning Britain viewers were left shocked after on-screen celebrations for presenter Laura Tobin's birthday revealed her age as she hits the big 4-0 this weekend.
Fans of the brunette beauty took to social media after the ITV show dedicated a short segment to marking Laura's milestone birthday.
The weather presenter was treated to two cakes by hosts Ben Shephard and Kate Garraway and even took a brief trip down memory lane to look back at her adorable childhood snaps which showed the baby-faced beauty beside her twin brother.
One of the cakes was a prank with a Chris Tarrant's face on, before the presenters revealed Chris had been given a cake with Laura's face on, too, to celebrate his 75th birthday on Sunday.
Fans tweeted their shock at the discovery that Laura will be turning 40.
"Happy birthday Laura... never believe you're 40! Have a great weekend, and happy 75th Chris Tarrant," said one.
"Laura is 40?! When they said special birthday I thought it was going to be 30! Looking amazing Laura. Happy birthday" added another.
"How is Laura 40?" gushed one fan.
"I thought Laura was in her 30s, she looks great" praised a viewer.
Another said: "How is Laura 40! What's the secret to looking so young? Enjoy your 40th birthday!"
"Ah happy birthday Laura for Sunday, what a lovely moment on GMB" said another.
The celebrations continued when presenter Richard Arnold bringing in some colourful balloons.
But her second cake was sure to give a sugar high as a huge pink and yellow cake covered in sweets as they remarked about her infamous sweet tooth.
And the meteorologist has the inside scoop on the forecast for her weekend of celebrations and has planned a outdoor gathering with the weather currently looking to stay fine.
It's been an eventful week for weather presenter Laura after she was replaced with a hilarious hijack involving comedian Jimmy Carr stealing her thunder to do a weather report on the show.
The comedy legend gave a brutally honest take on the weather - leaving Laura and viewers hunched over with laughter as a result.
Laura took the segment shake up in her stride and even offered Alan tips and urging him to 'click' to change the screen as the star struggled through the in-jest take-over.