Nicole Kidman has revealed she has made mistakes after it was revealed she is headed for a divorce from Keith Urban. The Hollywood actress, 58, admitted she has always been a risk taker and confirmed she will learn from her ways after the pair's split was confirmed after 19 years together. Nicole and Keith's separation was revealed last week, with the singer reportedly having moved out of their Nashville house. It is rumoured he is already dating someone new. Nicole said: "Taking a risk is what