You won't believe how much Mukesh Ambani spent on daughter's wedding!

• All the top three Khans, Beyonce were there at the wedding of the year.

It is the wedding celebration of the daughter of India's richest man, Mukesh Ambani, so how could Bollywood A-listers not be part of the festivities?

Everybody, from the top Khans - Shah Rukh Khan, Salman and Aamir Khan - to the leading ladies grooved on the stage.

A surprising video of Shah RuKh Khan dancing with his wife, Gauri Khan, on the tunes of 'Dilliwali Girlfriend' went viral.

The week-long extravaganza is estimated to have cost about $100 million (approx. Rs7.2 billion), according to people familiar with the planning, Time magazine reported.

Prince Charles and Princess Diana's wedding 37 years ago reportedly cost $110 million in today's dollars, the report added.