<Li> In the film, Robbie's older nephew makes him see how much he's throwing away his musical talent . In the musical, it's Julia who calls him out and wanted him to continue singing at weddings . </Li> <Li> Unlike the musical in which he is part of Robbie's band and has a white trash personality, Sammy is portrayed in a more positive light . Although he's a limousine driver, Sammy is quite lonely for female companionship . </Li> <Li> In the film, Sammy stops Robbie from pursuing the single life by revealing it's not a great as it looks and convinces him to tell Julia right away . In the musical, he and George tries to convince Robbie to remain single before doing the right thing and tell Julia . </Li> <Li> Unlike in the musical, Robbie intercepts Julia and Glenn upon learning they're on the same flight to Las Vegas . </Li>

Adam sandler's brother in law in the wedding singer