25 Interesting Behind-The-Scenes Facts Straight From The Wardrobe Departments Of Iconic 2000s Movies

There's a lot to love about 2000s movies, but one of my favorite parts is the iconic outfits.

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I mean, who doesn't remember Jenna's "Thriller" dress from 13 Going on 30 or the pink set Elle Woods wore on her first day at Harvard in Legally Blonde?

What's even more interesting is how much thought the wardrobe department puts into each and every look.

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So, without further ado, here are 25 behind-the-scenes facts straight from the wardrobe departments of 2000s movies:

1.Because Mean Girls was filmed a year before it released, wardrobe designer Mary Jane Fort looked to the trends in European fashion for inspiration.

Karen and Regina fix their makeup in the bathroom mirrors

2.To get the right look for the outfits in Slumdog Millionaire, wardrobe designer Suttirat Lalarb and her team would often sandpaper, shred, stretch, and wash them up to 50 times.

the result was drab, worn-looking clothes

3.Wardrobe designer Sharen Davis memorized the entire Dreamgirls script to help herself keep track of the hundreds of costume changes.

the Rayettes perform in coordinating dresses

4.In the final scene of The Princess Diaries, Julie Andrews wore $500,000 worth of diamonds.

the queen wears a diamond necklace, earrings, and tiara

5.Director Marc Webb's only specific instruction for (500) Days of Summer wardrobe designer Hope Hanafin was that only Summer was allowed to wear blue.

Tom and Summer drink together

6.How to Lose a Guy in 10 Days wardrobe designer Karen Patch custom designed the yellow slip dress Andie wears in the party scene to showcase her 84-carat diamond necklace.

Andie receives the highly valuable necklace

7.Reese Witherspoon kept all of Elle's clothes from Legally Blonde 2 because she had it written into her contract.

Elle wears a pink suit to court, and Bruce has a matching hat

8.In Bend It Like Beckham, Jess's jerseys have the number 7 because it was David Beckham's number when he played for Manchester United.

Jess and Jules on the field

9.Wardrobe designer Karyn Wagner visited the Metropolitan Museum of Art in New York City to conduct research for the '40s costumes in The Notebook.

Allie's vintage gingham bikini and Noah's paperboy cap

10.Wardrobe designer Sharen Davis worked on the dazzling dresses for Dreamgirls and the dull suits for The Pursuit of Happyness at the same time.

Beyoncé wears a showstopping floor-length gown with long gloves, and Will Smith wears a simple, neutral suit

11.Initially, the Mean Girls designers didn't want to put Cady Heron in an oversized polo, but Tina Fey insisted because she wanted it to look like she was actually wearing Damian's shirt.

Cady wears pink so she can hang out with the Plastics

12.A trio of local girls came to watch when Slumdog Millionaire was being filmed in their neighborhood, so wardrobe designer Suttirat Lalarb traded some of her mock-up dresses for their clothes.

young Salim dances past colorful laundry

She told the Daily Beast, "Everyone won that day."

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13.13 Going On 30 wardrobe designer Susie Desanto used Jenna's bright outfits and Lucy's darker clothes to reflect their intentions.

Jenna wears sparkly, bright clothes, and Lucy wears fitted, dark clothes

14.It was important to wardrobe designer Hope Hanafin that the characters in (500) Days of Summer only wore clothes they could realistically afford.

Summer wears a simple cotton dress, and Tom wears a basic suit — no designer labels for these two

15.The majority of the outfits Andie wore in How to Lose a Guy in 10 Days were authentic designer pieces rather than custom creations because the wardrobe designer wanted it to feel "more real."

Andie's fabulous designer dress

16.In Mean Girls, Karen's outfits were designed to mimic Regina's and Gretchen's to show that she was "truly the follower."

Karen and Gretchen wear similar tank tops

17.Tiffany & Co. rarely loans out jewelry for film productions, but they made an exception for Julia Roberts in Ocean's 11.

In the movie's production notes, wardrobe designer Jeffrey Kurland said,

18.For Slumdog Millionaire, wardrobe designer Suttirat Lalarb had Lakita wear yellow in most of her scenes to give her a visual through line as the characters aged.

Lakita gazes into the distance

19.One of the dresses Mia wears in The Princess Diaries was based on a dress worn by a real princess.

the stately gown Mia wore to a formal dinner with the queen is modeled after Princess Victoria's long-sleeved, collared gown

20.The Mean Girls wardrobe designers took inspiration from the 1950s.

Designer Mary Jane Fort told Nylon,

21.Reese Witherspoon asked her friend, Molly Stern, to create the dress for the scene where Warner and Elle break up in Legally Blonde.

a very Y2K long dress with a tie back and unique squiggle pattern

The rest of Elle's outfits were made by wardrobe designer Sophie Carbonell.

MGM Distribution Co. / Via Netflix

22.Kate Hudson and How to Lose a Guy in 10 Days wardrobe designer Karen Patch met up in Paris to research and shop for Andie's outfits.

Andie wears a breezy skirt and tube top

23.Levi provided the magic pants for The Sisterhood of the Traveling Pants in order to promote its jeans to young women.

America Ferrara unboxes the magic pants

24.In Dreamgirls, each of the lead characters' signature styles was based on a different music icon of the past.

both Jennifer Hudson and Aretha Franklin wear fluffy collars, Beyoncé and Cher have slinky dresses, and Eddie Murphy and Prince have snazzy suits

25.And finally, all of the costumes from The Devil Wears Prada were auctioned off to raise money for breast cancer research, Equality Now, and Dress for Success — and it was all Meryl Streep's idea.

Andy's vintage leopard coat