Diane Keaton has confessed she loves kissing Jack Nicholson.The couple starred together in 'Something's Gotta Give' and though Diane claims Jack invented their real life fling to boost box office takings, she admits she does love him. She told Britain's Independent newspaper : "I loved kissing Jack. And I loved telling him how upset I was that he didn't love me as much as I loved him."Falling in love feels much better, less frightening in the movies."I fell in love with Jack when we were making 'Reds'."Not in that way, but I have always loved him."Look at him! He's the greatest. That smile!"The 61-year-old actress is the US senior face of L'Oreal cosmetics and is proud to be. She said: "People my age do buy makeup. Give me some lipstick! Give me some powder!"I need to be authentic. My face needs to look the way I feel."