Secrets Behind Celebrity Weddings

In case you haven't heard, Chelsea Clinton, the only child of former President Bill Clinton and Secretary of State Hillary Rodham Clinton, will be exchanging vows this Saturday with investment banker Marc Mezvinsky, 32, in what is promising to be the wedding of the year.

Obviously, the details of the former First Daughter's nuptials have been shrouded in secrecy, leaving the press to dig up any little tidbit they can about the main event on their own. But Chelsea's not the only famous person who has guarded the details of her ceremony right up until the last minute. Watch the video below to see how Scarlett Johansson, Beyonce, Courteney Cox, and more have kept their high-profile parties on the down low.

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