03/07/2013 12:27 pm ET

Most Expensive Celebrity Weddings Revealed (VIDEO)

Celebrities aren't exactly known for being frugal, so it comes as no surprise that many of their weddings cost an obscene amount of money. From diamond crowns to castles to fireworks, Hollywood's elite love to drop millions on their Big Days.

Which superstar musician did Salma Hayek hire to play at her nuptials, and how much does it cost to tie the knot at a 15th century castle (hint: a lot)? Check out the video above to find out.

Click through the slideshow below to see some of the most outrageous items on celebrities' wedding registries.

Outrageous Celebrity Wedding Registries

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