Heigl reflected on the piece of advice she felt has resonated with her throughout her career and it was illuminating.
"Probably not to take myself too seriously, and that's I think an age thing. You kind of get there with age," Heigl said. "Your 20s are all so narcissistic in that way that you think that everyone is judging you and everyone's thinking about all the things you do wrong. I think you get to an age where you're like, 'I don't care. I'll be fine as long as my family loves me.'"