United Kingdom, Dec. 12 -- Kate Winslet gave herself some blunt advice on Goodbye June - "don't f*** it up".

The 50-year-old star makes her debut behind the camera in the Christmas movie, in which she also plays the character of Julia, and pulled no punches when it came to her own director's note to herself.

Asked what the best director's note she penned was at a screening of Goodbye June in New York, Kate said: "Don't f*** it up. But then I think that's always my note to myself anyway."

The Oscar-winning star admits that she had to take a different approach to her acting in the movie - which has been written by her son Joe Anders, whose father is Kate's ex-husband Sam Mendes - because her directorial commitments meant that she didn't ...