The 31-year-old Fashion Star mentor, who is the mother of two kids Harlow, 5, and Sparrow, 3, said she is not sure for a third child, reported Us magazine.
"I'm just chilling'. Let me just chill! I really like that they're doing their own thing. They're at school until 3. I don't have to, like, look after them -- or even think about them! It's like every other day," she said.
Asked if she wants to expand her family, Richie said, "I don't know."
Richie recently went on a childless vacation with a group of friends .