Nick Knowles and his wife Jessica are separating after three years of marriage.
In a joint statement to the Mirror, the 53-year-old DIY SOS star and the 28-year-old blogger said: "It is with sadness that we announce we are separating.
"Our focus continues to be the happiness of our son Eddie."
The couple share a son, Edwin, who was born in August 2014 and named after Nick’s late father.
Back in September 2014, Nick - who already has three grown-up children, Charles, TJ and Tuesday - told Hello! magazine that welcoming little Eddie had strengthened his and Jessica’s relationship.
He said: “I’m still very much in love with Jessica and we're very much a couple.
“Our relationship as man and wife is very important to us.
“But on top of that we now have this blissful layer of being Mum and Dad and it's wonderful.”
The BBC presenter, who was subjected to backlash over his and Jessica’s 25-year age gap, also credited his wife for making him a "calmer, happier, far nicer person".
After Nick suffered a serious health scare last year, the couple relocated to Spain with their young son in search of a better work / life balance.
Speaking about the moment he ruptured an artery in his sinus, Nick told Hello! magazine: "Without wanting to sound over-dramatic, for the first time in my life, I felt mortal.
"It was then I realised I needed to re-evaluate my way of life.
“I was burnt out and I owed it to the people I love to sort it out."
This will be Nick’s second divorce.