American Wedding (2003)

Jim and Michelle are getting married, but chaos ensues when their families and friends come together. Stifler, an unwanted guest, causes trouble throughout the wedding preparations. Jim must navigate through various mishaps and obstacles in order to ensure the success of his wedding. Meanwhile, Stifler has his own challenges - trying to impress Michelle's sister, avoid revealing his true self, and organizing an epic bachelor party. Ultimately, Jim and Michelle's love prevails, and they have a memorable wedding ceremony and reception.