When visiting Studio 1A to promote her new "Simple Life" reunion special with lifelong friend Paris Hilton on Dec. 9, Nicole Richie ... learn more about Richie and Madden's kids.

Related: Nicole Richie and Joel Madden's Lookalike Kids Harlow, 16, and Sparrow, 14, Make Red Carpet Debut Richie — who recently announced she has a new show coming out with best friend Paris ...

Lionel Richie's 3 Kids: All About Nicole, Miles and Sofia Paris Hilton Shares Glam Highlights from Nicole Richie's 'Virgo Baby' Birthday Party Paris Hilton Celebrates ‘Sis’ Nicole Richie ...

Madden and Richie began dating ... I try to tell my kids to be yourself and to love yourself, because it took me a long time to learn that," said the performer. "Nicole was a big part of that." ...

Nicole Richie described being a mom to her two teenage kids Harlow and Sparrow, whom she shares with husband Joel Madden, as “wild and fun” in a new interview. Paris Hilton and Nicole Richie ...