Christie's 15-year-old daughter, Sailor, crashed the interview, carrying in birthday cupcakes.
Sailor is the spitting image of her mom and has already begun to follow in her footsteps, having appeared in the pages of Teen Vogue.
"I think it's an amazing job for women," said Christie. "Obviously right now at her age I want to make sure that she eats right and stays healthy, but she knows everything about nutrition. The fact that she knows so much about food is going to keep her from getting any kind of eating disorder."
Click the video to find out what Sailor feels is the most surprising thing about her mom.