It's Baby, Baby, Baby Bieber's first wedding—and their parents' third.

Justin Bieber and Hailey Bieber announced she is pregnant with their first child. They revealed the news on Instagram, sharing a video of the model showcasing her baby bump in a lace Saint Laurent by Anthony Vaccarello bridal gown while taking part in an intimate May 9 vow renewal ceremony with the Grammy winner, helmed by their pastor, Judah Smith.

The couple shared the footage, as well as pics from the Hawaii maternity photo shoot, following weeks of rumors that they'd found a new purpose in life.

But, of course, it wasn't the first time Justin made clear that the model was his favorite girl. After rekindling their romance in 2018, the couple tied the knot at a New York City courthouse that September. A year later, the two renewed their vows in front of family and friends at a larger wedding ceremony in South Carolina.

"We got together in June, we were engaged in July," Hailey said when she and Justin sat down with their pastor and his wife Chelsea for a November 2021 episode of their In Good Faith with Chelsea & Judah Smith podcast. "We were married in September."

It was a whirlwind to be sure, but the two have known each other for over a decade, initially dating briefly as teens. "We always knew if we ever do get back together, it will be with the intention of getting married," Hailey explained. "We used to say that to each other. We always wanted to be married young and have a young family and have kids young."

In fact, having a baby, baby, baby, oh, baby has been a longtime passion for Justin. "I've always had that fairy tale idea," he said, "just wanting to have a wife and kids."

And he's not the only one thrilled with Baby Bieber's impending arrival. Find out how fellow celebs responded publicly to Hailey's pregnancy…

After the couple announced they're expecting their first baby together on May 9, their friends and family sent their well-wishes.

"I love you guys sooooo much!!!!"

"We are so so excited can’t wait can’t wait what a blessing!!!!!"

"ahhhh here come the tears again."

"i love you guys!!!! ahhhhhhhh."

"Yayayayyaaaaaa."

"THANK YOU JESUS."

*cry face emoji

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"Omgggg so happy for you both."

"chillieee williessss I love you soooo much!!!!"

"love you both so much."

"Yayyy!!! Congratulations!!!"

"Congratulations!!! Sending so much love so happy for you both."

"AHH IM PREGNANT AT THE SAME TIME AS HAILEY OMG YAYY CONGRATSSSS."

"EEEEEEEEEEEEEEEEEEEEEEEEE!!!!!! You are going to be an amazing amazing mommy oh boy get ready!!! So exciting so happy for you both!!"

"blessing."

"Cutiesssss. Congratulations babe."

"Congratulations love."

"Omggggg Congratulations."

"OMG sooo happy for you guys, congratulations."

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