Jennie Garth “emotionally regretted” not fighting to get more custody of her kids. The 52-year-old actress has daughters Lucia, 26, Lola, 21, and 17-year-old Fiona with Peter Facinelli – whom she divorced in 2013 after 12 years of marriage – and admitted that they opted to split the timeshare of their children simply because neither of them had ever imagined that a split would be on the cards. She told People: “When you first start a relationship with somebody, you don’t think about, what are we gonna do if this doesn’t work out? Like, how am I gonna co-parent with this person? So, we settled …