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Quiz: Can You Match the Celebrity To Their Hotel Alias?

Jay Z's assistant has to be more creative than "Jay V" when booking hotels to keep the Knowles-Carters incognito.

When we check into hotels, the concierge yawns and slides us a key card that doesn't work. No one cares. But when Angelina Jolie or Justin Bieber is staying at the Four Seasons, it's only a matter of time before paparazzi rush the place (not to mention their zillions of rabid fans, all dying to know their favorite celeb's room number and whether they prefer Pringles or Snickers from the snack bar). So, the more low-key, the better! Enter A-list aliases -- or, the ridonkulous monikers that superstars use to check in at hotels.

From "Mrs. Pilaf" to "Arnold Schwarzenegger" (yes, someone uses a famous friend's name to avoid being detected), try to guess which secret superstar pseudonyms belongs to these 18 celebs. Shhh.