'I Don't Know A Lot Of Celebrities' - Oprah Winfrey
She has interviewed him several times on her show.
But Oprah Winfrey did not have a clue Leonardo DiCaprio was when she ran into him last weekend.
The 64-year-old was chatting to Ellen DeGeneres about the host's birthday party last weekend, when she admitted she did not recognize the Oscar winner as he tried to chat to her.