Will Arnett is getting his passport ready for a trip to Italy. According to The Hollywood Reporter, the comic actor has signed on for When in Rome.

Mark Steven Johnson will write and direct this romantic comedy that already has Kristen Bell, Josh Duhamel, Jon Heder, Anjelica Huston and Dax Shepard cast.

Bell will star as a New York City curator who, while on vacation in Rome, takes some magical coins from the Trevi Fountain, but she's followed back to New York by the men who originally threw the coins into the fountain and have fallen in love with her. Arnett will play one of these mysterious suitors.

The film will start shooting in April.

When in Rome was released January 29th, 2010 and stars Kristen Bell, Josh Duhamel, Anjelica Huston, Will Arnett, Jon Heder, Dax Shepard, Alexis Dziena, Kate Micucci. The film is directed by Mark Steven Johnson.