Ever heard of Bryce and Jasmine Pilaf? They're only two of the biggest stars in the world. Bryce is an Oscar-nominated leading man in Hollywood, known for movies like Ocean's Eleven, Fight Club, and Moneyball. Jasmine is his longtime love and the mother of his children -- not to mention a successful actress with roles in Mr. & Mrs. Smith, Changeling, and A Mighty Heart.

Sound familiar? It should -- because Bryce and Jasmine Pilaf are actually Brad Pitt and Angelina Jolie.

The megastar couple, who have been together for more than seven years, use Bryce and Jasmine as their boring cover identities when checking into hotels. It helps to protect their privacy so they can travel incognito.

PHOTOS: Brad and Angie's romance through the years

In fact, as the Oct. 22 issue of Us Weekly revealed, many A-listers use aliases when checking into hotels or making dinner reservations.

Justin Timberlake, for example, goes by Mr. Woodpond -- which makes new wife Jessica Biel, whom he married in Italy Oct. 19, Mrs. Woodpond.

Twilight star Kristen Stewart has a mock moniker, too: Chuck Steak. And Johnny Depp often registers as Mr. Drip Noodle.

Hip hop star Jay-Z uses the alias Frank Sinatra, whom he raps about -- "I'm the new Sinatra" -- in his Big Apple anthem "Empire State of Mind."

PHOTOS: Jay-Z and Beyonce's sexy love story

Justin Bieber, meanwhile, checks in under the name Chandler Bing, a.k.a. Matthew Perry's character on Friends, while Fergie goes by Penny Lane, a street in Liverpool made famous by the Beatles in their song of the same name.

Other silly secret identities? Tom Cruise's Cage Hunt, Usher's Mr. Dinero, Mila Kunis' Senor Pants, Ben Stiller's Clyde Tibenus, Chris Rock's Slappy White, Steven Tyler's I.K. Malone, and Kate Beckinsale's Sigourney Beaver.

PHOTOS: Stars who've spoofed themselves

Perhaps the best alias, though, belongs to Bryce and Jasmine Pilaf's pal George Clooney, who has been known to check in as Arnold Schwarzenegger, the real-life former governor of California and Clooney's co-star in the movie Batman & Robin.

This article originally appeared on Usmagazine.com: Find Out Celebrities' Crazy Hotel Aliases!