Offset seemingly forget his son’s age while attempting to post a sweet birthday message and the good old unforgiving internet won’t let it go.

Offset forgets his son's age in touching birthday posts.

Hands up if your parent has forgotten your age before…

The father-of-four was doing what most parents do on their kids’ birthday, when he made a big blunder by wishing Jordan a wonderful 10th birthday when he is actually nine today.

So he got the date correct – round of applause – but was a little too eager to get to the double digits stage of his boy’s life.

The rapper posted a picture of his first born and captioned it: ‘Happy Birthday to my son Jordan! can’t believe you 9yrs old…I had you soo young turn me from a kid to a man instantly! Love you my cool, calm, collective kid .’

The 27-year-old quickly edited his caption but not before we all noticed the error.

A screengrab captured by The Shaderoom shows the original caption and in it, he called young Jordan a 10-year-old.

Whoops.

He also posted a second picture, but managed to get the age correct first time around.

‘C A N T B E L I E V E Y O U R 9 Y E A R S O L D …….I L O V E Y O U M Y F I R S T K I N G,’ he said using his infamous and difficult to read writing style.

Fans had a field day when they noticed Cardi B’s husband’s little hiccup, and took to the comment section to jest him.

One joker even offered the rapper an idea for his next hit, writing: ‘New song called 10 or 9.’

Another fan quickly thought of his first child with Cardi and wrote: ‘Somebody tell cardi he might forget kulture age ?’

‘He stressed out over his wife not wanting him back,’ explained an all-knowing commentator, who made reference to his marriage breakdown with the Bodak Yellow rapper.

Which is a valid explanation for why he got his numbers all mixed-up

Offset has been going through a bit of rollercoaster this week after Cardi announced their split and pending divorce earlier this month following allegations that he tried to set up a threesome with two other women.

The cheating allegations saw Cardi take to Instagram to reveal their marriage breakdown. A week later Offset surprised Cardi on stage with a lavish floral display begging for forgiveness.

While she was not impressed in the slightest by his display of affection – judging by the way she shut of the lights, sent him packing and shot a glare that could freeze time – she has admitted on Tuesday that she misses his, um, penis.

LOS ANGELES, CALIFORNIA - DECEMBER 15: Singer Cardi B (L) is presented a 'Take Me Back' card onstage by her husband Offset (R) during day 2 of the Rolling Loud Festival at Banc of California Stadium on December 15, 2018 in Los Angeles, California. (Photo by Scott Dudelson/Getty Images)

Are they or aren’t they? (Picture: Getty Images)

Then on Friday, the two were caught looking very cosy together on a jet-ski in Puerto Rico as Offset took charge while the Money rapper clung for dear life.

Speeding across the ocean, the estranged couple, who secretly wed in September 2017, looked very much together.

Are they back together as husband and wife? Or is Cardi just getting that thing that she misses so much?

We can’t keep up with these two, so it’s no surprise Offset is having trouble recalling his numbers.

The rapper shares Jordan with Justin Watson who filed a lawsuit against him in 2017 for child support.

He also has three-year-old son Kody with his ex Oriel Jamie and a daughter, Kalea Marie, with rapper Shya L’Amour.

Cardi B gave birth to Kulture in July this year, so can somebody tell Offset that she turns One in about seven months time?