'Monte Carlo's' Selena Gomez, Leighton Meester Reveal Film Secrets

20th Century Fox

"We rented out the Eiffel Tower, no big deal," jokes Gomez.

In Monte Carlo, which hits theaters Friday, Selena Gomez plays a teenager mistaken for a British heiress while vacationing with girlfriends in Paris (played by Leighton Meester and Katie Cassidy).

There were a few perks to playing a heiress.

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"We rented out the Eiffel Tower, no big deal," jokes Gomez to MTV News.

Added Meester, "We got up in the Eiffel Tower. But it wasn't just go up for a trip, we got there all alone. It was just us at 5 a.m. when the sun was just rising. It was really beautiful."

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"It was really cool to experience all those places for the first time," Gomez went on of the film's locations, which included Monaco and Hungary in addition to France. It was the first time the star of Disney's Wizards of Waverly Place had visited those countries.

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Filming together was "fun both on and off" screen," Meester said. "A lot of what was happening offscreen was just an extension of the fun we were having outside."

Along for the ride: Glee's Cory Monteith, who appears in the movie less frequently than the three female stars.

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"I worked probably one out of five days in the shooting schedule," Monteith told MTV News. "I have four days a week off, and I was able to roam around Europe, so I saw 10 countries a month. It was incredible."