The Stellar Cast of The Big Wedding needs to be written in capitals. See yourself: Robert De Niro, Diane Keaton, Katherine Heigl, Amanda Seyfried, Topher Grace, Robin Williams. They will not agree to act in bad film for sure, even for big monies (but how knows?). However it does not mean that Justin Zackham's The Big Wedding will take a honorable place in line alongside with The Matrix, Avatar and Titanic, but let us ensure you the movie is worth watching. A moderately twisted and indefinitely poignant plot tells us a story of family that unites for wedding and the problem is that mother and father of their adopted wedding child are not a married couple for a very long time. Faced to unexpected arrival of their son's biological mother they try to fake their relationships pretending of lovely and happy married couple to total amusement of their guests. But if you dare to believe that this "pretending" is most difficult task for them to complete - you are mistaken. There is much more infeasible mission: not to kill each other in the process…