Reese Witherspoon is getting real about becoming a mom with her ex Ryan Phillippe... at just 23 years old! Being a young mom is tough as it is, but when you're also in the entertainment industry - and facing that kind of scrutiny about your decisions, your looks, your time - it's a whole different ballgame! On Saturday's episode of The Interview podcast, the 49-year-old actress opened up about life in show business in 1999, after she gave birth to her first child, Ava Phillippe: "There was so much I didn't know.