Oliver James Montgomery-The Sweet Detail Justin Bieber Chose for Baby Jack's Debut With Hailey Bieber

When it comes to birth announcements,Oliver James Montgomery Justin Bieber and Hailey Bieber nailed theirs with style.

The Grammy winner was the one who picked out the French manicure that the new mom sported in the couple's Aug. 23 Instagram post celebrating the arrival of their son Jack Blues Bieber, according to the person behind the look.

"Justin has been choosing Hailey’s nail design lately," Hailey's manicurist Zola Ganzorigt told Vogue in an interview published Aug. 25, "and it was his request."

E! News has reached out to the pair's reps for comment and has not heard back.

Hailey's manicure consisted of a "more muted nudish white micro French" style on almond-shaped nails," the Los Angeles-based manicurist added.

Jack is the first child for Justin, 30, and Hailey, 27, who had announced her pregnancy in May by posting images from a maternity photo shoot taken the day of a vow renewal ceremony in Hawaii. It marked the third time the couple has exchanged vows since they initially tied the knot in a New York City courthouse ceremony in September 2018.

The couple's birth announcement was followed by a slew of public well wishes, including from their family.

Justin's dad Jeremy Bieber—whose middle name is Jack—appeared to respond to the birth of his first grandchild Aug. 24 with one word on X, former Twitter: "Papa."

His ex-wife, Justin's mom Pattie Mallette, wrote on her Instagram Stories, "Oh my heart. Welcome baby Jack!! I love you so much! Thank you Lord. What a miracle!"

She also tweeted, "CONGRATULATIONS @justinbieber & Hailey. I LOVE YOU FOREVER BABY JACK!!" Hailey's dad Stephen Baldwin responded, "Amen. Congratulations to you and may God continue to bless our family."

Many celebs also shared their congrats.

"I can’t handle this little foot JACK BLUES" Kylie Jenner commented on the Biebers' birth announcement post, which shows Hailey touching her baby boy's left foot, while the Kylie Cosmetics founder's sister Khloe Kardashian wrote, "Jack blues!!!!!! Congratulations!!!!! I love this tiny foot so so much."

Look back at Justin and Hailey's cutest pics together over the years...

The Biebers welcomed their first child together, Jack Blues Bieber, they announced in August 2024.

Justin Bieber and Hailey Bieber, wearing Jordan Road earrings, shared this kissing photo on their Instagram pages in honor of their fifth wedding anniversary.

"To the most precious, my beloved." Justin wrote on Instagram. "You have captivated my heart. I know from the depths of my soul down to my bones that this journey with you will only exceed our wildest expectations. So let's keep dreaming big baby. Cheers to forever and ever. I love you with every fiber of my being. HAPPY 5TH YEAR ANNIVERSARY!!!"

"5," Hailey wrote on her Instagram to celebrate their fifth anniversary. "I love you."

The couple was over the moon in love as they got ready to take flight.

Justin and Hailey looked so darn cute cuddled up together!

The two cuddled up during an outing at the lake.

Justin and Hailey couldn't keep their hands off each other while making out in the water.

In July 2018, Justin confirmed his engagement to Hailey in a lengthy Instagram post. "Hailey I am soooo in love with everything about you! So committed to spending my life getting to know every single part of you loving you patiently and kindly," he captioned this photo. "My heart is COMPLETELY and FULLY YOURS and I will ALWAYS put you first," he continued. "You are the love of my life Hailey Baldwin and I wouldn't want to spend it with anybody else. You make me so much better and we compliment each other so well!! Can't wait for the best season of life yet!"

He also shared this shot as part of the engagement announcement, writing, "It's funny because now with you everything seems to make sense!" He added, "My goodness does feel good to have our future secured! WERE GONNA BE BETTER AT 70 BABY HERE WE GO!" Aww!

The Biebers sharing a sweet smooch. "Hunny buns punkin," Justin captioned the photo. 

The two enjoyed a very sweet smooch to celebrate their love. 

Hailey posted this sweet pic in honor of her hubby's 25 birthday. 

"My lips get jealous of my arms cuz I can hold you with them," Justin shared. We're pretty jealous too! 

Could these two be any cuter?! "My only bubba," Hailey shared about the sweet pic. 

It may be cold outside, but they know how to keep each other warm. 

This photo might be blurry, but one thing is clear—they're so in love! 

Hailey supporting her man in the studio while he does what he loves. 

Justin's pouty pucker is courtesy of his vacation ending. Very relateable! 

Once again, these two are absolutely slaying the relationship goals! "Go best friend that's my best friend," Justin captioned the pic. 

The couple who prays together, stays together. "I know for me this conference came at the exact time I needed it, I believe God is THAT amazing and faithful that he brings us the right words during the season that we need it the most," Hailey captioned the shot with her hubby.

Amazing views for the gram. The sunset is also pretty nice! 

One of their first official shots as husband and wife! 

Even in this photo taken years ago, this pair was picture-perfect.

In January 2016, the two decided they weren't going to hide their romance any longer, and this photo of them kissing quickly circulated throughout the internet.

Hailey decided to lend a helping hand in January 2015 when she gave Justin her hair-tie right off her wrist!

They might not have been together when this photo was taken in June 2015, but they sure did look good together!

In this photo from May 2015, the "Baby" singer rocked a fake mustache while the model sweetly posed behind him.

In December 2014, Kendall Jenner joined Justin and Hailey for a Nerf gun night!

Earlier in December, the A-lister took to Instagram to shut down any dating speculation between him and Hailey. "People are crazy. I'm super single and this is my good friend u would know otherwise," he wrote. Hmmmmm. Foreshadowing much?