Craziest celeb weddings: Kim-Kanye; Cruise-Katie; Brad-Jenn

All you really need to get married is the bride and the groom in love - maybe a ring. But that doesn't stop celebrities from going overboard when they're ready to say "I Do".

In honour of Kim Kardashian walking down the aisle, we rounded up our picks for some of the most outrageous celebrity nuptials.

Kim Kardashian and Kanye West: The opulent nuptials cost a whopping $2.8 million.

Kim Kardashian and Kris Humphries: Kim's last wedding reportedly cost $6 million.

Brad Pitt and Jennifer Aniston: Malibu wedding in 2000 costs $1 million.

Pic: Getty

Pic: Getty

Michael Jordan and Yvette Prieto: Their wedding may have been the most expensive (non-royal) celebrity wedding of all time, at an estimated $10 million.

Pic: Getty

Pic: Getty
   
Justin Timberlake and Jessica Biel: They spent a reported $6.5 million to get married in Italy.

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Paul McCartney and Heather Mills: The doomed couple reportedly spent $4.2 million on their 2002 wedding.

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Tom Cruise and Katie Holmes: The divorced couple rented a castle in Italy and reportedly spent $3.5 million total.

Pic: Getty

Pic: Getty

Salma Hayek and François-Henri Pinault: They wed at the La Fenice Theater in Venice, Italy, for a reported $3.5 million.

Pic: Getty

Pic: Getty

Pic: Getty

Elizabeth Hurley and Arun Nayar: Now divorced couple, married in 2007 reportedly spent $2.5 million.

Pic: Getty

Pic: Getty

Michael Douglas and Catherine Zeta-Jones: $1.5 million spent on their wedding which hosted 350 guests.

Pic: Getty

Pic: Getty

David and Victoria Beckham: The Spice girl and her soccer superstar tied the knot in July 4, 1999 spenind $800,000.

Pic: Getty

Pic: Getty

Pic: Getty

Mariah Carey and Tommy Mottola: The singer and her ex Tommy Mottola married at the St. Thomas Episcopal Church in June 5, 1993 after spending $500,000.