What to expect when you are expecting follows the lives of five expectant couples about to enter the role of parenthood. The whole experience is exciting as someone says, "I can't wait to meet my baby”. The story is based on Heidi Mankoff’s popular pregnancy guides with each of the couples having different experiences. At one stage Cheryl Cole becomes a judge in a celebrity dance show. Celebrity fitness instructor Jules (Cameron Diaz) and boyfriend Evan hardly spend any time together but she is one of the first to announce that she is pregnant. Wendy (Banks) and Gary (Morrison) are so busy they hardly have any time together but she becomes pregnant. Gary’s ex racing driver father announces that he and Skyler are about to have twins. Father and son combine throughout for some of the real funnies of the movie. Chris Rock who is president of the dudes club who have already become fathers tell the guys about the fun of being parents. Some rules:- If a woman vomits, she’s pregnant. Women who worry about miscarriage conceive as a result of a one-night stand. Fathers are terrible caretakers of children. If you get pregnant, everyone you know or are related to will get pregnant at the same time.