David Beckham is universally recognised as one of the world's cool guys.

Universally except for by his own kids, that is. A man really changes when he becomes a father – something in him just clicks and suddenly it's all different.

Image: Instagram: @davidbeckham

No, we're not saying he suddenly becomes more responsible, kinder, or a better person in any way whatsoever – what happens is he just starts making terrible jokes. Loads and loads of terrible, terrible jokes. And it seems that even Goldenballs (what a shit nickname that was, thinking back) isn't too good or too cool to partake, unfortunately for his son Brooklyn. https://twitter.com/screambellamy/status/823515717035134976 Brooklyn was chatting to his fans live on Instagram, when his old man thought it'd be funny to pop up and give him a bit of a ribbing. First, he reminded his first-born that he was still just a kid, telling him: "U should be at school". And he followed it up by embarrassing his son even further, adding: "That's my shirt". Being embarrassed by your dad in front of a friend is bad enough, let alone more than 10,000 of your Instagram followers. We can picture it now. It's a Sunday evening in the Beckham household and Posh asks David: "Shall I put the kettle on?" She realises her mistake, but it's already too late. Within seconds, Becks bellows back: "YOU CAN, BUT IT WON'T SUIT YOU!" Proof that however rich, famous, or good you are at football, no one in the world is too good for dad jokes.