When in Rome (2010)

A successful and single art curator (Kristen Bell) goes to Rome to attend her younger sister's impulsive wedding. While there, she picks up coins from a reputed “fountain of love,” (probably based on the Trevi Fountain) and when she leaves she is pursued back to New York by a band of aggressive suitors whose coins she took.

Directed by Mark Steven Johnson, co-written by Johnson, David Diamond and David Weissman, and starring Kristen Bell. This is a romantic comedy movie to you'll enjoy to watch.