1. Diana and Charles
Cost: $110 million
Year: 1981
2. Vanisha Mittal and Amit Bhatia
Cost: $60 million
Year: 2005
3. Prince William and Kate Middleton
Cost: $34 million
Year: 2011
4. Wayne Rooney and Coleen McLoughlin
Cost: $8 million
Year: 2008
5. Chelsea Clinton and Marc Mezvinsky
Cost: $5 million
Year: 2010
Above is the list of Top 5 World's Most Expensive Weddings