Kim Cattrall is too busy for children.The 'Sex and the City: The Movie' star - who reprises her role as PR executive Samantha Jones in the film adaptation of the hit US TV show - says despite being in a happy relationship with chef Alan Wyse, she doesn't have time to think about motherhood.Kim, 51, said: "Right now in my life, I don't know how I could fit a child in."Kim also revealed she found it difficult to film the movie in New York because there were so many people surrounding the set.She added: "People were screaming your name and your character's name and the director's name and the costume designer's name. I thought, 'Why wasn't it like this when we filmed the series?' "'Sex and the City: The Movie', which also stars Sarah Jessica Parker, Cynthia Nixon, Kristin Davis, is in cinemas worldwide now.