Marian Ilitch, the owner of Little Caesars pizza chain and Detroit's MotorCity Casino Hotel, has topped the Forbes List of America's Richest Self-Made Women for 2017 with a net worth of $5.1 billion. She is followed by roofing supply company ABC Supply's Diane Hendricks with a $4.9 billion fortune, and Judy Love and Oprah Winfrey, worth $2.9 billion each.