Why Oprah Wanted to Do New Weight Loss Special (Exclusive)

Oprah Winfrey chats with ET's Kevin Frazier backstage at the 55th NAACP Image Awards, which aired live Saturday on BET. She reacts to 'The Color Purple's awards season success, including the Outstanding Motion Picture win at the NAACP Image Awards. Plus, Oprah shares details about what to expect from 'An Oprah Special: Shame, Blame and the Weight Loss Revolution,' airing Monday, March 18 on ABC, and the message she hopes viewers take away from it.