Justin Bieber’s baby (baby, baby, oh) has arrived.

Hailey Bieber gave birth to the couple’s first child, they announced on Friday evening.

The “Baby” singer shared the exciting news on Instagram by posting a photo of his little one’s tiny foot, which his wife appeared to be holding.

“WELCOME HOME,” he captioned the post. He revealed the child’s name is Jack Blues Bieber.

The couple announced their pregnancy news in May while sharing photos from their vow renewal in Hawaii.

The model, 27, debuted her baby bump at the time in a lace Saint Laurent gown.

She completed her look with black sunglasses and a veil, as well as a new $1.5 million diamond ring from her Grammy-winning husband.

While the pair did not share their baby’s sex at the time, fans became convinced later that same month that Hailey was pregnant with a daughter.

The former ballerina notably referred to her little one as a “cherry blossom” while showing off her nail art in an Instagram upload.

Hailey hinted at her due date the following month when her Yves Saint Laurent campaign dropped, revealing she had been four months pregnant with her “little bean” during the shoot.

She and Justin, 30, initially wed at a New York City courthouse in September 2018.

The following year, they tied the knot again in front of family and friends in a South Carolina ceremony attended by Kendall Jenner, Jaden Smith and more A-list pals.

Hailey admitted to the Sunday Times in May 2023 that she felt “scared” to welcome children as a celeb.

“It’s enough that people say things about my husband or my friends. I can’t imagine having to confront people saying things about a child,” she explained, confessing she cried about the possibility “all the time.”

Justin, meanwhile, said in his October 2021 “Our World” documentary that he wanted to “start trying.”

The duo already have had parenting practice as the aunt and uncle to Hailey’s sister Alaia Baldwin’s daughter, Iris, who was born in 2020.