Could the Bachelor host be the next Bachelor? Chris Harrison is ending his marriage after 18 years and two children together, his rep confirmed yesterday. Harrison, 40, has hosted the ABC dating series and its spinoffs since it first came on the air in 2002, the AP reports. "Though we have made this incredibly difficult decision to separate, our love and mutual respect remain, and we look forward to sharing in the lives of our wonderful children," the couple says in a statement. (More The Bachelor stories.)