Preview: Rihanna Tours Barbados in 'Oprah's Next Chaper'

Oprah sits down with global music phenomenon Rihanna on her home island of Barbados. Oprah said in the preview below that Rihanna was thoughtful, very emotional and vulnerable when she met her. She said she came away with getting a good sense of who Rihanna was.

Don't miss the exclusive interview Sunday, August 19 on Oprah's Next Chapter at 9/8c on OWN: