The former reality star shares daughter Harlow, 16, and son Sparrow, 15, with her husband Joel Madden Rodin Eckenroth/Getty Nicole ... only thing Richie learns about from her children.

It didn't take long for Nicole Richie to realize that Joel Madden was the one for her. Richie opened up about ... The couple have since welcomed two kids, daughter Harlow, 16, and son Sparrow ...

Nicole Richie is getting candid about her first date ... want to avoid the topic of her hard partying younger years with her kids. "They know everything I did,” she went on.

Nicole Richie is making sure she's in the know when it comes to ... made it much easier for Richie to talk about it with Harlow and Sparrow, she admits that her kids are already aware of the risks ...