Tom Fletcher almost stopped breathing after he thought Giovanna was about to announce she was pregnant with her fourth child.
The couple, who already have Buzz, eight, Buddy, six, and Max, three, were in the kitchen of their home when Giovanna decided to ask her husband some questions about their latest adventure.
Last week Giovanna attended the latest fundraiser for the charity CoppaFeel! involved in breast cancer awareness, who went on a 100km walk along the Pembrokeshire coast.
The author is a patron of the charity and has guided the teams through the epic five-day trek and posted numerous updates to her Instagram story.
Get exclusive celebrity stories and fabulous photoshoots straight to your inbox The daily newsletter from OK!.
In the video posted to her Instagram page, Giovanna could be seen approaching the McFly star in the kitchen and preparing food.
Then she asked him: ‘Tom, do you love all my stories about Pembrokeshire?
Tom sheepishly replied, “Uh, yeah,” before adding, “I thought you were going to tell me you were pregnant!”
Giovanna quickly replied: “No, no!” before Tom pretended to stop breathing and collapsed on the kitchen counter. then replies with a “Phew!”
The couple then laughed out loud, with Tom adding: “That was close!”
Giovanna then said, “So I’m already boring you with all my stories?”
To which a relieved Tom replied, “Yes, I love her even more now, tell me more!”
Fans flocked to the comments section as one person wrote, “The way he stopped breathing,” complete with crying laughter emojis. Another shared: “His soul left his body for a second HAHAHAHA I adore you both.”
While a third added: “His life flashed before his eyes!” with two emojis crying with laughter.
Last month, the couple celebrated their 10-year wedding anniversary, with the musician gushing about his “perfect” wife.
Former Strictly Come Dancing star Tom, 36, has posted seven snaps showing themselves the relationship of the couple again in May.
In the snaps, the couple in love are holding a glass of bubbly and Tom revealed the sweet gift he received from his wife, a painting of a Wookie at a disco – adding that he felt “over the moon” when he had married his “perfect partner.”
He captioned the post: “You know you’ve married your perfect partner when their 10th wedding anniversary gift is a painting of a Wookie at a disco.
“Today I feel more than lucky that of all the people who have ever existed on this planet, I was able to marry this one 10 years ago today.
“Happy anniversary @mrsgifletcher.”
The rest of the snaps included adorable photos of the couple, romantic gifts like a bouquet of flowers and a fried breakfast – the perfect way to start any anniversary.
The couple’s last child, Max, was born in August 2018, and mother Giovanna later became a presenter of The Baby Club on CBeebies and won series 20 of I’m a Celebrity… Get Me Out of Here!
Subscribe to OK!’s for the latest TV and showbiz news Newsletter.