Justin Bieber: What if Hailey Baldwin is the girl he marries? 'I just don't want to hurt her'

Justin Bieber could marry Hailey Baldwin one day, and for that reason he's not loving the idea of labeling her as his girlfriend before he embarks on a world tour for a year and a half.

The pop star opened up about his romance with the model in the March issue of GQ, where he spoke at length about...