MANCHESTER UNITED wonderkid Kobbie Mainoo celebrated his birthday by sharing an adorable pic from his childhood.

Mainoo, who turned 19 today, shared a number of pictures to his Instagram.

Kobbie Mainoo pictured with his mum celebrating his 19th birthday with family

Kobbie Mainoo shared a snap of himself wearing a Man Utd AIG kit as a youngster

Mainoo shared a few pictures to his Instagram page as he celebrated his 19th birthday

One of the snaps showed Mainoo getting a tattoo

Mainoo also posed alongside brother and former Love Island star Jordan Mainoo-Hames, right

The first snap in the collection saw the midfielder wearing a blue jacket with a black and white stripe trim and cream sleeves in a car park.

Given Paul Scholes’s previous comments on the matter, the second photograph of Mainoo at a Man Utd workout with a woolen cap would irritate him.

Mainoo was pictured in the third image alongside Love Island star Jordan Mainoo-Hames and rapper Rudz.

The following photo featured Mainoo enjoying himself at Old Trafford with colleague Diogo Dalot.

Mainoo then shared an adorable picture from his childhood, proving he’s always had an ice cool demeanour.

He was seen with his hands behind his head while sitting back on a sun lounger and wearing sunglasses, however it was the Nike produced AIG Man Utd kit Mainoo was wearing that most caught the eye.

Man Utd’s kit were sponsored by AIG between 2006 and 2010.

The next picture showed Mainoo getting a tattoo, before the final image showed him wearing a bright yellow jacket and black trousers while in a car park.

He captioned his post: “+1, Thanks for the messages ???”

A number of Mainoo’s team-mates responded with heart emojis, while some left heartfelt messages.

Amad Diallo said: “HBD my little kobbs.”

Fellow Carrington prospect Dan Gore said: “Happy birthday Mybro.”

Man Utd attacking coach Benni McCarthy said: “Happy Birthday Kobes.”

Big brother Jordan said: “My broyeeee ? love u man.”

One fan reacted to the post by saying: “Bro is so clean at everything he does.”

A second said: “Bless up young champ.

A third said: “Why is everything he does so clean?”

Mainoo will hoping for a birthday treat on Sunday when Man Utd take on Coventry in the FA Cup semi-final at Wembley.