Mrs. Doubtfire (1993)

Eccentric actor Daniel Hillard is an amusing and caring father. But after a disastrous birthday party for his son, Chris, his wife, Miranda, draws the line and files a divorce. He can see their three children only once a week which doesn't sit well with him. He also holds a job at a TV studio as a shipping clerk under the recommendation of his liason. But when Miranda puts out an ad for a nanny, he takes it upon himself to make a disguise as a British lady named Mrs. Doubtfire. And he must also deal with Miranda's new boyfriend, Stu Dunemyer.