Drew Barrymore has been acting nearly her entire life, but it was not always glamorous. In this episode of "Sunday Sitdown," the actress opens up to Willie Geist about those tough early years growing up in Hollywood, what it’s like to be a mom now, and her latest adventure on the small screen in in Netflix’s “Santa Clarita Diet.” She also reflects on that infamous interview with David Letterman, plus what she sees on the horizon after 35 years in the industry.