With millions (and sometimes billions) of dollars at their disposal, it’s not surprising that celebrities often get married in lavish ceremonies. But the cost of some of these famous weddings will likely surprise you. From hundreds of thousands spent on flowers alone to million-dollar venues, here are the most expensive weddings in Hollywood.RELATED: Does Rihanna Want More Kids With ASAP Rocky?

16 Brad Pitt & Jennifer Aniston

They were one of the biggest couples in Hollywood at the time, so it’s no surprise Brad and Jennifer had a lavish wedding in 2000. Reports say they spent around $1 million on the festivities, which included ordering over 50,000 flowers.

15 Christina Aguilera & Jordan Bratman

X-tina held a lavish ceremony the first time she walked down the aisle. Her 2005 wedding reportedly cost $2 million and featured a winter wonderland theme. Christina and Jordan broke up in 2008.

14 Madonna & Guy Ritchie

They were married from 2000 to 2008, but this celebrity couple spared no expense when it came to solidifying their union. Madonna and Guy reportedly spent $2.1 million on their wedding, which included an $80,000 wedding gown.

13 Kim Kardashian & Kanye West

When they tied the knot in 2014, Kimye spent $2.8 million on the lavish Italian celebration. Despite this being a huge price tag, Kim’s engagement ring from Kanye cost even more, with some estimates saying he spent up to $8 million on the diamond.

12 Paul McCartney & Heather Mills

When Beatles singer Paul McCartney married again in 2002 to model Heather Mills, the celebration cost approximately $3 million, despite only 30 guests attending. However, the couple called it quits in 2002.

11 Tom Cruise & Katie Holmes

When they wed in 2006, reports at the time claimed Tom and Katie spent $3 million on their Italian ceremony. Their marriage was short-lived, however, with Katie filing for divorce in 2012. Reports said Tom’s affiliation with scientology contributed to the split.

10 Chelsea Clinton & Marc Mezvinsky

When the daughter of Bill and Hilary Clinton said "I do" in 2010, the political family reportedly spent millions on the private ceremony. It’s speculated the event cost between $3 million to $5 million, with a lot of the budget going to security.

9 Liza Minelli & David Gest

For their 2002 wedding, David and Liza spent a whopping $3.5 million on the headline-making union. It also featured an A-list crowd, with Michael Jackson serving as the best man and Elizabeth Taylor as the maid of honor. The couple’s marriage only lasted 5 years.

8 George Clooney & Amal Alamuddin

Though he swore he’d be an eternal bachelor, George eventually settled down with the international human rights attorney in 2014. The famous couple reportedly spent $4.6 million on their wedding celebrations.

7 Beyoncé & Jay-Z

It’s unknown exactly how much Beyoncé and jay-Z spent on their 2008 wedding, but it appears they didn’t spare any expense. Reports say the couple spent $8 million on the wedding flowers alone, while Beyoncé’s engagement ring is valued at $5 million, meaning the overall celebration easily cost the pair tens of millions.