Footballer David Beckham has a habit of trolling his son.

 

He once interrupted a celebratory "I hit one million followers" video his son was filming, by piping up behind him with an "I've got 52 [million]!".

 

Well, he's at it again, in the most dad-ish way possible.

 

On Monday, Brooklyn did a livestream on Instagram Live videos.

 

Comments were firing away as he spoke, but one in particular caught people's attention…

 

David Beckham, model and footballer, crept into his son's comments and wrote:

 

"U should be at school."

 

You can hear the hearty chuckle from here...

 

Because the first joke tickled him, Beckham came back with another, this time a comment on what Brooklyn was wearing.

 

"That's my shirt."

 

D'oh.