"Wait omg is that a. APRIL FOOLS", he captioned the final pic.
Justin has now followed-up on his joke issuing an apology, explaining how a joke can be a risky move since you never know how people will take it.
"Justin Bieber joking about Hayley being pregnant is soooooo insensitive considering there's so many women out there that can not get pregnant or have lost children", a social media user tweeted.
"I've never been mad at @justinbieber but today I'm disappointed in him for posting a fake pregnancy announcement", added another.
'SNL' skewers the ongoing Jussie Smollett saga
Mayor Rahm Emanuel wants Smollett to reimburse the city $130,000 to cover the cost of overtime hours spent on the investigation. Smollett has maintained his innocence and said he has been " truthful and consistent " since the saga began.
The pregnancy prank comes just weeks after Bieber wrote a note to fans explaining that he wanted to focus on himself and put his music on hold so that he can "be the father I want to be".
Main Line Fertility tweeted ahead of April Fool's Day to warn people about pranking people with pregnancy news, they said: "1 in 8 of your friends will struggle to get pregnant". But I will apologize anyway and take responsibility and say sorry to people who were offended. He detailed how he once shoved cake in his sister's face on her birthday expecting her to laugh, but she cried.
'Some might have laughed but some were offended.
Justin and Hailey Wednesday in a courthouse ceremony last September following a whirlwind rekindled romance and engagement.
Justin Bieber really had us going for a second there!
When Justin announced he was married, he posted a super lengthy love letter to his wife, but when he becomes a dad he just posts a few pics with no message?
'Pregnancy announcements are no joking matter'.