Published: 08:43 EST, 18 January 2018 | Updated: 09:02 EST, 18 January 2018
He announced that he will be divorcing his wife, Lisa Armstrong, earlier this month – and Ant McPartlin flashed a beaming smile as he went for a walk on Friday.
The 42-year-old appeared in good spirits as he strolled through Richmond Park with his mother, Christine and his pet pooch.
He was wrapped up against the cold in a tweed hat and quilted Barbour coat, with a bright red plaid scarf.
Scroll down for video
Back to his best: Ant McPartlin beamed as he walked the dog with his mother in Richmond Park on Friday as he attempts to move on from his marital split
Split: The 42-year-old presenter announced that he is to divorce Lisa Armstrong (right) in a statement, released earlier this month
He wore Berghaus trousers and comfortable looking shoes, while carrying a large stick for his dog to catch.
Ant's mother was also wearing a big smile, no doubt thrilled to see her son feeling back to his best, as she strode along in her wellies.
The much-loved television presenter has just returned from a trip to Blackpool where he has been filming the Britain's Got Talent auditions.
Happier: The much-loved television presenter has just returned from a trip to Blackpool where he has been filming the Britain's Got Talent auditions and seemed in high spirits
Give us a hug: Ant's pooch made a few new pals as they walked through the park
Two's company: Ant and his mother had wrapped up warm for the occasion as they went for their wholesome day out
Ant has been filming the BGT auditions in Blackpool this week and Lisa was thought to be making an appearance as she's a make-up artist on the show, but she was not present
Making it work: The make-up artist has reportedly been moved off Britain's Got Talent to avoid 'awkward' backstage encounters
Peaceful: Sources claimed Lisa, who is Stephen Mulhern's beauty assistant, is keen to 'continue as normal' and wants to keep things 'civilised' with her husband of 11 years
His estranged wife had been expected to have made an appearance.
However, the make-up artist has reportedly been moved off Britain's Got Talent to avoid 'awkward' backstage encounters.
The former pop singer, 41, will allegedly work on show's spin-off Britain's Got More Talent instead, where she will be less likely to run into Ant amid their rumoured £31million divorce battle.
Sources claimed Lisa, who is Stephen Mulhern's beauty assistant, is keen to 'continue as normal' and wants to keep things 'civilised' with her husband of 11 years.
A moment of reflection: Ant and his other later headed to the water's edge to feed the ducks
Carry on regardless: Ant has been pictured looking down in recent months, but it looks as though he is looking positively towards the future
Bold choice: Ant ( pictured right with Declan Donnelly) was pictured in a pink Kiss Me Quick hat on Tuesday afternoon, as he commenced Britain's Got Talent filming
'Lisa has worked on BGT for years and is keen to continue as normal. She has friends there and enjoys being part of the show,' a source told The Sun.
'She's generally done Stephen's make-up and helped other people but this year the plan is for her to work exclusively on the spin-off.'
The insider added: 'They are all keen to keep things civilised with Ant. It should certainly mean less awkward encounters.'
Planned ahead: Mother and son brought along a couple of balls to keep their pooch entertained
Tough times ahead: No doubt is gearing himself up for a potential £31m divorce battle