Justin and Hailey Bieber are ‘nice proper now,’ as an ET supply says the singer is ‘centered on being an unbelievable dad’ to son Jack Blues Bieber. ‘Jack is his entire world,’ ET’s supply says. ‘He’s happiest when he is with Hailey and Jack, it doesn’t matter what they’re doing. He’s been supportive of Hailey and when she must journey for work, he actually steps up with parenting. They’ve gotten into an excellent movement.’
