The average cost of a American wedding is about $25,000. If that’s sounds on the expensive side, here’s a look at the five most expensive weddings ever recorded: Number Five: $7 Million Delphine Arnault and Alessandro Gancia at the Cote d’ Azur, France in 2005. Number Four: $15 Million Wayne Rooney and Colleen McLaughlin at Portofino, Italy on June 12, 2008. Number Three: $20 Million Vikram Chatwal and Priya Sachdev in India, on February 18, 2006. Number Two: $30 Million Aleksandra Kokotovic and Andrei Melnichenko at the Cote D’ Azur, France on September 3rd, 2005. Number One: $78 Million Vanisha Mittal and Amit Bhatia at the Vaux le Vicomte chateaux in France on November 18, 2006.