After the "I Don't Care" singer shared the ultimate transformation snap saying "where it all began," celebrities began flooding his comments
Bieber shared the photo from years ago on Friday.
"My wife and I :) where it all began," he wrote.
In the shot, a makeup free Hailey is throwing up the peace sign and is hanging onto the baby version of her now-husband.
Remember, she used to have a huge crush on the singer back in the day.
Hollywood Can't Handle It
Timberlake thinks this is the most "incredible" thing he's ever seen, and excitedly left his mark in the comments.
Hailey's good friend Kylie made sure to reply to the epic throwback writing, "This is amazing."
Fellow musician Machine Gun Kelly's mind is completely blown.
Singer Justine Skye, who's another good friend of Hailey, is crying over the pic.
Bieber's former bodyguard Kenny Hamiton has some inside information.
He commented saying he remembered that day and stated, "So proud of you both."
Hailey's stepsister Alaia Baldwin also left an adorable reply.
Bieber and Hailey are getting ready to say "I do" again on Monday, but this time their friends and family will be there.
As The Blast reported, Mr. & Mrs. Bieber's second wedding will take place in South Carolina at an expensive high-end resort.