July 27, 2010 10:24AM EDT

Chelsea Clinton's $3 Million Wedding!! Will It Cost More Than Tom and Katie's?

Chelsea Clinton is the closest thing we have to a royal daughter in America, and on Saturday the daughter of former President Bill Clinton and Secretary of State Hillary Clinton will walk down the aisle with fiance Marc Mezvinsky in what is already being called the Wedding of the Decade.

The grand event isn’t coming cheap. With more than 500 of the former first family’s nearest and dearest (among them celebrities like Oprah as well as heads of state and titans of industry), Bill and Hillary are expected to spend between $3 and $5 million according to a report in the New York Daily News.

At $3 million Chelsea’s nuptials will cost around a million more than Tom Cruise and Katie Holmes’ fairy tale wedding at Italy’s majestic Odescalchi Castle.

The Secretary of State has been mum on all wedding details.

“My lips are sealed,” Hillary Clinton told NBC’s Andrea Mitchell over the weekend. “I am under very strict orders not to talk about it, and I think for the right reasons, because it is her [wedding], and it is a family wedding. The people coming are her friends and people who have been meaningful in her life, as it should be.”

But even thought Hillary is keeping quiet, some details have been leaked to the press and all signs point to Bill writing some pretty big checks.

The power political couple have the money to spend. Last year the high-profile pair earned a reported $109 million. But how will they be spending it this weekend?

-The wedding planner is Bryan Rafanelli of Boston. Jeff Leatham, artistic director of the Four Seasons George V hotel in Paris, is doing the flowers. Jimmy Vali, president of Vali Entertainment in Norwood, N.J., is coordinating the music.

-Security at Saturday’s wedding on the grounds of Astor Courts, a private, French-style mansion overlooking the Hudson could cost $200,000 because of all the high-level politicians and global celebrities.

-Place settings at $100 a person.

-Invitations at $150 a person.

-A hand-painted runner down the aisle.

-$6,000 a table setting for food and drink from multiple vendors.

-$600,000 for air-conditioned tents.

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