Our top pick of the most expensive weddings ever

GALLERIES

Our top pick of the most expensive weddings ever

Chelsea Clinton and Marc Mezvinsky

Estimated cost: £3.5million in 2010

Wedding dress: Vera Wang - The ivory strapless gown featured a silk tulle diagonally draped bodice with a raw edged laser-cut swirling silk organza ball skirt and train. She cinched her tiny waist with an embellished belt also by the designer.

The wedding in the small village of Rhinebeck, 100 miles north of New York City. Security was tight - no BlackBerrys were allowed through the gates, and a no-fly zone was set up over the wedding site, the 50-acre Astor Courts estate. Costs included £400,000 air-conditioned tents and an £7,000 cake. The rest went to deluxe pampering and security costs for 500 guests, including Oprah Winfrey