The average UK couple splash out £21000 on their big day. Others, a little bit more...
10. Sir Elton John & David Furnish: £1 million.
700 guests with an estimated £6,000 spent on caviar and £75,000 on champagne
9. Tom Cruise & Katie Holmes: £1.2 million
150 guests at the Scientology ceremony in the 15th-century castle's banqueting suite as Italian tenor Andrea Bocelli serenaded the couple with Italian love songs. The bride wore an exclusive Clive Christian No. 1 perfume, which costs $2,350 (£1,450) an ounce and spent $3,000 (£1,850) on wedding night lingerie.
8. Elizabeth Hurley & Arun Nayar: £1.5 million
The nuptials took place over eight days and across two continents. The first wedding ceremony took place at the medieval Sudeley Castle in Gloucestershire. That was followed by a traditional Hindu ceremony at the Umaid Bhawan Palace in Jodhpur, India.
7. Liza Minnelli & David Gest: £1.6 million
A 60-piece orchestra was accompanied by the likes of Paula Abdul, Tony Bennett, Roberta Flack, Gloria Gaynor and Dionne Warwick. The wedding cake stood 12-tiers high
6. Paul McCartney & Heather Mills: £2 million
a lavish ceremony at St Salvador's Church in Monaghan in Ireland in 2002. The marriage was followed by an Indian-themed reception that took place beside a lake and featured dancers in authentic Indian dress and a vegetarian feast. A dazzling fireworks display ended the night as the couple headed off on their honeymoon on a yacht rented for £12,000 a night.
5. Chelsea Clinton & Marc Mezvinsky: £3.2 million
Around £6,400 is estimated to have been spent on each of the 500 guests. With a Vera Wang wedding gown costing £16,000, a £7,000 cake and a £130,000 bill for security.
4. Wayne Rooney & Coleen McLoughlin: £5 million
£5 million on his and Coleen's big day, OK! Magazine was rumoured to have footed half the bill in return for an exclusive deal to publish pictures. Held at a castle near Portofino in Italy the couple hired five private planes to ferry guests from London at an estimated cost of around £200,000.
3. Andrei Melnichenko & Aleksandra Kokotovic: £18 million
Christina Aguilera and Whitney Houston were flown in by private jet and each paid $3.6 million (£2.2 million) to perform at the wedding party.
2. Sheikh Mohammed bin Rashid al Maktoum & Sheikha Hind Bint Maktoum: £27 million
20,000 guests. The wedding lasted a week, during which Sheikh Mohammed rode his horse to every village and fed everyone. At a cost of $44.5 million back in 1979 it would cost the equivalent of £62 million today.
1. Vanisha Mittal & Amit Bhatia: £35 million
A thousand guests attended the five-day event, which included an engagement party at the palace of Versailles, a Bollywood directed re-enactment of the couple's courtship, a performance by Kylie Minogue