Nicole Richie is a cool mom! On the Monday, April 8, episode of Today, the Candidly Nicole alum, 42, opened up to Hoda Kotb about how she’s bonded with her 16-year-old daughter, Harlow Madden, over the issues every teenage girl goes through. “I just so clearly remember being 16 that it’s actually surprising how quickly I can go back there,” Richie, who also shares 14-year-old son Sparrow Madden with husband Joel Madden, explained. “When my daughter’s telling me drama with her friends, I go, ‘I remember. Laila Heckmath did that to me.’ I remember first and last names, so it’s fun. It’s wild. An…