https://www.imdb.com/title/tt0120783/
The Parent Trap
Hallie and Annie are two pre-teen girls who meet each other through a summer camp. They soon realize that they are identical twin sisters who were separated at birth. Hallie is a laid-back girl raised by her dad in California. Annie is a proper girl who lives in London, where her mother raised her. After the girls meet for the first time, they develop a plan to swap places to meet their other parent and bring their mom and dad back together. The only thing that stands in the way of their plan is their dad’s new fiance is a beautiful, selfish, money hungry woman who is only marrying their father for his money.