Look back at Diana's career, from Motown to Hollywood.
In those days, Diana says she had no idea what impact she and the Supremes were making and how they were influencing young girls across the nation. "We didn't really know what to do except to try to be the best we knew how to [be]," she says. "I don't think we felt like we were stars."
"When did you think you'd made it'?" Oprah asks.
"Never!" Diana laughs. "I've never been that overconfident about what's possible. ... When did you think you had made it?"
"I think sitting here with you has made me make it," Oprah jokes.