Jesse McCartney is opening up about his "traumatic" ordeal after his son Archer was born three months premature. McCartney and wife Katie McCartney, both 38, welcomed their first child in May, however, Katie was hospitalized two weeks before she gave birth with preterm labor complications, according to People. Jesse rushed to his wife's side and slept on a blow-up mattress in her hospital room. "It meant everything to me that he didn't leave my side. ... For us it was really unifying," Katie told People in an interview published on Wednesday, October 15.