November 27, 2003 - Andrew Redington/Getty Images Sport more pics like this »
4. Tiger Woods and Elin Nordegren - 2004

Estimated Cost: $1.5 million

These two tied the knot in a top-secret ceremony in Barbados, where the golfer rented out the entire Sandy Lane Resort for their 120 guests. The reception featured a performance by Hootie and the Blowfish and a fancy fireworks show to boot. It's worth noting that their divorce cost the athlete over $750 million after his cheating scandal.

Image here.