It's the day we thought we'd never see - Simon Cowell has become a father.
He made the announcement on Twitter, but fans were of course quick to joke about the birth.
Very happy to say Eric was born at 17.45pm. Healthy and handsome.
Lauren in great shape. Thanks for all of your kind messages.
Named after my dad
This scary hairy baby picture from Parentdish did the rounds a lot.
Simon Cowell is a proud father
Even Alan Sugar and Sinitta got in on the action.
According the Sun @SimonCowell has a baby boy Eric. Simon isnow out searching for high waisted nappies
Is ThisThePic?
While others couldn't help but joke about Simon's hairy chest.
Breaking News: Simon Cowell's baby has just got his first hair on his chest.
But there were other ways of joking about the birth.
Simon Cowell has had a baby boy!!!
Congratulations to my Simon Cowell and Lauren on the birth of their son Eric, great news!
Particularly when it came to Cowell's trademark high-waisted trousers.
Congratulations Simon Cowell!
But it was mainly the name which seemed to tickle most people.
TV talent show idea. Simon Cowell holds nationwide auditions to find a nanny for his new baby son. Name of the show? Eric Idol.
Huge congratulations to @SimonCowell and Lauren Silverman on the birth of their son. They have named him David Sinitta Louis-Walsh Cowell.
Some even struggled to quite believe it.
SIMON COWELL HAS NAMED HIS SON ERIC?!?!?! what the hell!!!
Simon Cowell has called his son 'Eric'. A baby called fucking Eric. A BABY IS CALLED ERIC HAHAHAHAHAHA.
Simon Cowell has named his son Eric - did his girlfriend give birth to a middle-aged man?
Simon Cowell has called the baby 'Eric'? 'Eric' is a 50 year old plumber, not a baby
While some other observations were made.
Simon Cowell must be a huge Little Mermaid fan.
Name will sound like Eric Owl RR "@Independent: Simon Cowell welcomes baby boy Eric on Valentine's Day http://t.co/wUweKGfrDY"
I had no idea Simon Cowell was so fond of owls that he decided to name his son after one. #EricOwl
But it wasn't all bad.
Simon cowell named his new born son after his late father, aw that's well cute
Aw Simon Cowell has called his baby Eric.. #propername
Simon Cowell's little boy is called Eric lol #cute
But still expect to see this picture a lot.
Simon Cowell's baby