We already know how Oprah Winfrey feels about BFF Gayle King, but what about longtime partner Stedman Graham? They're still together! In fact, when Barbara Walters told Winfrey tonight that many people don't know that, she was shocked. Watch inside.

The revelation—or non-revelation, really—came during Walter's hourlong special, Oprah, the Next Chapter, which aired tonight on ABC. Also: Winfrey expalins why she chose not to have children. Watch:

[Oprah, the Next Chapter]