He celebrated his birthday on the show in 2017 but he will be missing this year after deciding to take time away from TV commitments
Ant captioned the photo of the pint-sized presenter: “Happy birthday from the big one to the little one!”
Holly Willoughby has confirmed that she will replace Ant McPartlin as Dec Donnelly's co-host on I'm A Celebrity
Saturday Night Takeaway will also not be returning to screens until 2020.
Declan Donnelly's just finished his solo work on 'Britain's Got Talent', and he's done such a sterling job that even Cowell's happy
Declan Donnelly has been presenting the talent show on his own, and last night made a joke about his absent co-host
Ant McPartlin and Declan Donnelly were spotted together for the first time since Ant was admitted to rehab after a drink driving charge
He's been pictured walking his dog in a London park
Ant McPartlin has pleaded guilty to drink driving, having appeared in court today to face his charge
I'm not crying - you're crying.
In fellow Geordie Ant McPartlin’s hour of need, the former England star has shown his support by offering to pay for his time in rehab
The 'Saturday Night Takeaway' and 'I'm A Celebrity' host was arrested after crashing his vehicle last month
After the show aired, Dec tweeted to not only thank fans for their support, but also to confess that he'd had a restless night
It's the first time Declan Donnelly will be presenting without best friend Ant McPartlin in two decades.
It was recently revealed that Ant had split from Lisa, a Strictly Come Dancing make-up artist and his wife of 11 years.
The host will be presenting without his partner for the first time
Dec is having a baby and obviously the bookies think that he's going to call it Ant
There were claims the network was considering dropping the dynamic duo for this year's season
The pair has been married since 2014
Ant has been charged with drink driving after the car he was in crashed into another vehicle at the weekend
His recent battles with his inner demons shows that despite a constant smile and occasional chuckle anyone can be hurting on the inside
ITV has confirmed that Dec will host Saturday Night Takeaway alone when the show returns on Saturday 31 March.