Justin Bieber and Hailey Bieber welcomed their newborn son, Jack Blues Bieber, into the world on Friday, August 23. The couple’s announcement was met with an outpouring of love and excitement from their celebrity friends and family.

Hailey, 27, re-shared Justin’s heartfelt Instagram post that introduced their baby boy to the world. The post, featuring a tender image of Jack’s tiny foot wrapped in a cozy blanket with Hailey’s manicured fingers gently touching it, was captioned: “WELCOME HOME JACK BLUES BIEBER,” accompanied by a bear emoji.

Among the first to celebrate the news were Kylie Jenner and Khloe Kardashian. Kylie, known for her beauty empire, couldn’t contain her excitement, commenting, “I can’t handle this little foot JACK BLUES.” Meanwhile, Khloe Kardashian, 40, added her own joyous note: “Jack Blues!!!!!! Congratulations!!!!! I love this tiny foot so so much.”

Other celebrities, including Chris Pratt, also chimed in with their congratulations. Pratt, whose own son is named Jack, shared, “Congrats guys!!! Love the name!!!” showing his enthusiasm for the newborn’s unique name.

The couple’s close circle, including Kris Jenner, Jennifer Aniston, Chrissy Teigen, Nikki Reed, and John Mayer, also sent their warm wishes, celebrating the addition of the newest member of the Bieber family.

Justin’s mother, Pattie Mallette, and Hailey’s father, Stephen Baldwin, expressed their overwhelming joy over their grandson’s arrival, rounding out a chorus of love and support for Jack Blues Bieber.

This heartfelt welcome for baby Jack shows the deep bonds Justin and Hailey share with their friends and family, as they begin this new chapter as parents.