Most celebrities check into hotels under aliases, so people can't find them.  Here are some of those aliases, according to "Us Weekly":

--Brad Pitt and Angelina Jolie:  Bryce and Jasmine Pilaf

--Justin Timberlake:  Mr. Woodpond

--Johnny Depp:  Mr. Drip Noodle

--George Clooney:  Arnold Scwharzenegger  (???)