Answer
The answer is "An American Werewolf in Paris", a 1997 horror comedy film directed by Anthony Waller. Julie Delpy portrays Serafine Pigot, the love interest of the werewolf protagonist, Andy McDermott, played by Tom Everett Scott. The film follows Andy as he travels to Paris after being attacked by a werewolf and struggles with his dual nature while navigating his relationship with Serafine.