Cost: $78 million
If you're the daughter of the fourth richest man in the world, expect a six-day bash for over a thousand guests in multiple luxurious settings across France. Vanisha Mittal, daughter of an industrialist billionaire, and her groom, investment banker Amit Bhatia, were treated to a wedding that would make royals jealous. The lavish ceremonies included an engagement party at the Palace of Versailles, a wedding at the 17th century Château de Vaux-le-Vicomte, plus a performance by Kylie Minogue and designer gift bags filled with jewels. C'est très magnifique!