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Paris Hilton is a business woman always on the go.

The blonde heiress and her sister Nicky cruised through LAX en route to Italy Thursday. They're attending Petra Eccelstone's wedding in Rome! The two were clearly channeling the '70s, especially Paris as she made the airport her runway in a floppy beige hat, printed tunic and bell bottoms.

Just another day in the life of the Hilton sisters! Paris even Tweeted, "..about to take off to Rome. Can't wait! Love Italy! :)

When in Rome ...