Robbie, played by Adam Sandler, is a talented musician who performs at wedding receptions, but dreams of becoming a famous rock star. He is engaged to his long-term girlfriend, Linda, but on the day of their wedding, Linda reveals that she cannot go through with the marriage and leaves him at the altar. Heartbroken and disillusioned, Robbie falls into a deep depression and begins to question his life choices.
Meanwhile, Julia (Drew Barrymore) is a waitress at a local catering company who is engaged to her longtime boyfriend, Glenn. Though she loves Glenn and is excited to marry him, Julia can't help feeling like something is missing in their relationship. When she meets Robbie at a wedding reception, sparks immediately fly between them and they find themselves drawn to each other.
Despite the obvious chemistry between them, Julia and Robbie struggle to navigate their feelings and remain loyal to their respective partners. Along the way, they encounter a cast of colorful characters, including Robbie's bandmates and Julia's meddling cousin Holly.
Through a series of romantic misadventures, Robbie and Julia ultimately come to realize that they are meant to be together and must find a way to break free from the constraints of their current relationships. The film culminates in a touching wedding scene as Robbie serenades Julia and the two finally exchange vows.
Filled with catchy '80s music, hilarious one-liners, and memorable performances by Sandler and Barrymore, The Wedding Singer is a classic romantic comedy that celebrates the power of true love.