Dec Donnelly in hysterics over 50th birthday gift from Ant McPartlin that he won't keep

Presenter Dec Donnelly was seen laughing over a birthday present given to him by Ant McPartlin before agreeing for it to be regifted to his pal's wife in a video shared this week. He received the gift ahead of his 50th birthday today.

Dec, 50, has been celebrating the milestone occasion whilst filming the new series of I'm A Celebrity ... South Africa abroad with his presenting partner Ant, 49. A second series of the I'm A Celebrity spin-off was announced earlier this month and they have been out in South Africa since then.

Ant paid tribute to Dec on Instagram this morning, with him writing on their joint account: "Happy Birthday to the littler one from the only slightly bigger one. Love ya!" A video of him giving Dec some presents has since been shared.

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The video showed Dec being gifted two personalised t-shirts. One of them featured photos of his daschund Rocky, whilst the other had photos of Ant on it. He then modelled them and it was teased that his co-star's wife Anne-Marie Corbett would end up with the second t-shirt instead.

Ant began the video by telling their fans: "You probably know it's coming up to Dec's big birthday. We're not allowed to mention the number - just that it's a big birthday!" He was then seen heading outside to give Dec his presents.

After it was teased that his pal isn't "allowed" to mention his age, Dec confirmed: "No." Ant then said he was celebrating a "big birthday" this year, to which Dec replied: "Not that big!" Ant added: "So you get not one, but two presents."

Dec was then presented with two gifts covered in dog-themed wrapping paper. Ant said as he opened the first one: "I think you're gonna like it a lot." He added: "I had to source pictures. I had to do research. I had to get it sent away. It's just arrived, all the way out here, in South Africa."

The present was then revealed to be a personalised t-shirt with 'Rocky' on the front and several photos of Dec's dog. Dec laughed before saying: "Oh, I love it." Ant said: "See, I knew you'd like it. Happy birthday! And, I've got one that's even better than your dog."

Dec said that he suspected it must be a t-shirt with photos of the two children he shares with his wife Ali Astall on the front of it. He said to Ant: "It must be the kids. A really nice t-shirt with the kids on. That is lovely. Thank you."

It was however revealed to be a t-shirt with 'Anthony' written on the front above several photos of Ant. Dec's pal reacted once it was opened: "It's me!" Dec was seen laughing to himself as Ant told him: "So when we're not working together, you can have me on your t-shirt and then hopefully nobody will call you Ant from now on."

Dec responded: "Oh yeah, that's good." Ant said: "So if you wear that, no one will ever get you confused ever again. Do you like it?" Dec told him: "I do like it." Ant then teased: "Are you trying to say it's ugly? Because if you are, then you're saying I'm ugly. And I know you wouldn't say I'm ugly."

His pal, who said that he didn't think it was "ugly," however opted to hold up the t-shirt featuring Rocky instead, before saying: "I really like that one." He then teased he would try it on and was later seen modelling the t-shirt.

Ant reacted: "It fits - look at that!" He then brought the other t-shirt over Dec and said: "At least hold it up!" Ant added: "If you don't want it, I'll give it to the wife." Dec said: "She will love it." Ant replied: "Yeah, okay, I'll give it to the wife."

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