#1 Prince Charles & Diana – $110 million
Though their wedding took place decades ago, no other wedding has come close to Prince Charles and Princess Diana’s. Witnessed personally by 3,500 people and broadcasted to 750 million TV viewers from around the globe the Royal Wedding between Prince Charles and Princess Diana in 1981 is simply the most expensive wedding ever.
Princess Diana’s wedding gown was covered in 10,000 pearls an had a 25-foot train. She was chauffeured in a glass coach from her place to the cathedral. However, the marriage suffered greatly as both Chrles and Diana participated in flirtations with other people. The royal couple divorced in 1996, a year before Diana met her tragic end in a car crash along with her lover, Egyptian businessman Dodi Fayed.