Justin and Hailey Bieber are “doing well” following the birth of their first child. The 30-year-old pop star and the 27-year-old model are proud parents to son Jack Blues Bieber and after announcing his birth on Saturday (24.06.24), insiders have explained that Justin was “over the moon” to become a dad and that he and his wife are “overjoyed” with the arrival. A source told People: “They’re doing well. They’re both overjoyed. The baby is such a miracle. He’s adorable and doing well! Hailey’s doing well, too. The pregnancy was something that they very much wished and prayed for. “The day they …