Hilaria Baldwin believes her niece Hailey Bieber (née Baldwin) has found true love with husband Justin Bieber.The Living Clearly Method author, 36, exclusively told Us Weekly on Thursday, October 1, that she doesn’t need to give the couple marriage advice because they know how to handle their relationship.“I try not to give too much marriage advice because you know what? They’ve known each other for so long, so they have it,” Hilaria said.