Monte Carlo (2011)

Movie Title: Monte Carlo

Country: USA

Year: 2011

While on a trip to Paris with her best friend and soon-to-be-stepsister, Grace is mistaken for a British socialite, resulting in all three young women flying to Monte Carlo for a charity ball, auction, and the chance for international romance. However, when a million-dollar necklace goes missing, Grace and her friends must scramble to find it before the auction is ruined and their identities are exposed.