The Chase’s Mark Labbett and ex-wife Katie look unrecognisable after their twin transformations as they enjoy another co-parenting day out following his split from Hayley Palmer

Mark Labbett and his ex-wife Katie looked unrecognizable on Sunday as they both showed off the results of their impressive transformations during a fun family day out.

The quizzing genius, 59, and the nurse, 32, split in 2020 after seven years of marriage and share a seven-year-old son, Lawrence.

And the former couple are still happily co-parenting, with the pair making a series of trips to London as a trio this weekend.

On Sunday, the pair took Lawrence to the Natural History Museum and posed for a photo together, looking more incredible than ever.

Mark looked noticeably slimmed down in a gray jumper, after The Chase star shed a whopping 10 stone.

He previously revealed how he lost weight, saying he is ‘eating less and drinking more’ and focusing on his health.

Mark Labbett and his ex-wife Katie looked unrecognizable on Sunday as they both showed off the results of their impressive transformations during a fun family day out

The quizzing genius, 59, and the nurse, 32, split in 2020 after seven years of marriage and share a seven-year-old son, Lawrence (pictured together in 2018)

The quizzing genius, 59, and the nurse, 32, split in 2020 after seven years of marriage and share a seven-year-old son, Lawrence (pictured together in 2018)

Mark looked noticeably slimmed down in a gray jumper, after The Chase star lost a whopping 10 stone after 'eating less and drinking more' and focusing on his health as he battled diabetes (pictured in 2019)

Mark looked noticeably slimmed down in a gray jumper, after The Chase star lost a whopping 10 stone after ‘eating less and drinking more’ and focusing on his health as he battled diabetes (pictured in 2019)

He explained that his diet completely changed due to his battle with diabetes, adding that although he was tempted to go under the knife, he instead decided to get fit and healthy the old-fashioned way.

While Katie looked glamorous in a burgundy turtleneck and a black leather skirt, which accentuated her tiny waist.

Mark shared the photo on his Instagram Stories and wrote: ‘Co-parenting in London, part two – Natural History Museum. Little Monster loved the T-Rex in a Christmas sweater.”

The exes previously treated Lawrence to a day out on Saturday during the Harry Potter Warner Bros. Studio Tour in London.

Mark, known as ‘The Beast’ on the ITV1 show, was heartbroken when Katie, his second cousin, started seeing her lover Scott Bate for 18 months, leading to the end of their romance.

They blamed the lockdown, mental health and their huge age difference as causes for the end of their marriage.

He continued dating Hayley Palmer, but revealed they had split in May, just days after their one-year anniversary.

Last week, Mark revealed the heartbreaking reason he and Hayley split after she claimed he dumped her because he ‘didn’t want to divorce his ex-wife’.

The exes treated Lawrence to a day out earlier Saturday during the Harry Potter Warner Bros. Studio Tour in London (photo)

The exes treated Lawrence to a day out earlier Saturday during the Harry Potter Warner Bros. Studio Tour in London (photo)

Mark, known as 'The Beast' on the ITV1 show, was heartbroken when Katie, his second cousin, started seeing her lover Scott Bate for 18 months, leading to the end of their romance (pictured in 2016)

Mark, known as ‘The Beast’ on the ITV1 show, was heartbroken when Katie, his second cousin, started seeing her lover Scott Bate for 18 months, leading to the end of their romance (pictured in 2016)

He went on to date Hayley Palmer but revealed they had split in May, just days after their one-year anniversary (pictured)

He went on to date Hayley Palmer but revealed they had split in May, just days after their one-year anniversary (pictured)

However, he has admitted that this was because he was ‘getting old’, tellingly The sun: ‘She is [Hayley’s] a nice lady and I was lucky enough to date her for a year, and like I said…it’s me, I’ve gotten old.’

After Hayley said she couldn’t bear to think about Mark with another woman, the mastermind insisted he wasn’t actively dating.

He added: “There hasn’t been one since Hayley, I’m not saying there won’t be another. But I’m certainly not looking.

“I joke that I’m a barn man – a man of a certain age who is quite happy with either being in a relationship or not – but who likes to spend time alone.”

This month, Hayley confessed that thinking about Mark with someone else ‘brings it all back’ as she spoke candidly six months after the couple’s split.

Hayley admitted she was forced to switch the TV channel after watching it on Loose Women, admitting she found it ‘triggering’.

Speaking to MailOnline, Hayley admitted: ‘It was really upsetting to see him appear on my screen and I had to turn away. I didn’t expect it to feel like this.

“The last time he was there, I was sitting next to him and we were talking about celebrating our one-year anniversary, and exactly a week later my world fell apart. Honestly, whenever I think of him with someone, it brings it all back.”

Hayley explained that she was surprised by how she felt as she continued: “It was triggering. I didn’t think it would be like this because I’ve worked really hard on my mindset and I’ve ended up in a good place.”