Justin and Hailey Bieber welcome their first child

Pop star Justin Bieber and his wife Hailey Bieber announced the birth of their first child Friday.

In an Instagram post, Justin wrote "welcome home Jack Blues Bieber," along with a photo of Hailey holding her baby's foot.

The 30-year-old Justin and the 27-year-old Hailey first confirmed the pregnancy back in May, with a representative of Hailey telling "Entertainment Tonight" that she was about six months pregnant.