“Looking back on the years, the one thing that was most important to me was to make sure that Oprah looked great and had healthy hair,” states celebrity hairstylist Andre Walker, the man responsible for keeping Oprah Winfrey camera-ready for the past 30 years. “Because of her hectic schedule, she would tape two shows in the morning and then maybe have an interview and a photo shoot later in the day. Her hair would have to be touched up or changed for each of these.” And now, you can find out even more about what went into styling one of television’s most iconic stars when Andre Walker sits down with Oprah Winfrey this week for an episode of Oprah: Where Are They Now? (airing Saturday, Oct. 10—10PM ET/PT on OWN) to reminisce about the past three decades of style they share as well as detail some of their favorite and least favorite hairstyles. If you’re a hair fan, you’ve got to see this!