Oprah Winfrey has told the US magazine InStyle that she does not "have the DNA" to be US president.

She had been widely touted as a future Democratic contender for the 2020 elections after a rousing speech at the Golden Globes earlier this month.

But she told InStyle: "I've always felt very secure and confident with myself in knowing what I could do and what I could not.

"And so it's not something that interests me."

She gave the interview three weeks before picking up the Cecil B DeMille award for outstanding contribution to entertainment in early January, InStyle said.

Donald Trump, when asked at the time about a possible run against Ms Winfrey in 2020, said it would be "fun", adding: "Yeah, I'll beat Oprah."