These unforgettable clothes help bring characters to life and are frequently used as inspiration for everything from cosplay to Halloween costumes.
If you're a fan of movie fashion, I've compiled a list of some of the most renowned on-screen gowns over the years.
#1 The bright yellow ball gown worn by Emma Watson in Beauty and the Beast
Source: Walt Disney Co./Courtesy Everett Collection/East News
#2 The striped suit dress worn by Kate Winslet in Titanic
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#3 The pale pink off-the-shoulder evening gown worn by Jennifer Lopez in Maid in Manhattan
Source: East News
#4 The wedding dress worn by Julia Roberts in Runaway Bride
#5 The pink dress worn by Jennifer Grey in Dirty Dancing
Source: Vestron Pictures/Courtesy Everett Collection/East News, East News
#6 The black and white dress with a voluminous skirt worn by Grace Kelly in Rear Window
Source: Everett Collection / Everett Collection/EAST NEWS
#7 The lace dress worn by Christina Ricci in Casper
Source: Universal/Courtesy Everett Collection/East News
#8 The iconic little black dress accessorized with pearls worn by Audrey Hepburn in Breakfast at Tiffany’s
Source: Courtesy Everett Collection/East News, EAST NEWS
#9 The cold shoulder dress with golden embroidery worn by Audrey Hepburn in Sabrina
Source: East News
#10 The fairy-tale blue dress worn by Lily James in Cinderella
Source: Walt Disney Co./Courtesy Everett Collection/East News, Walt Disney Co./Courtesy Everett Collection/East News
#11 The red off-the-shoulder dress with white gloves worn by Julia Roberts in Pretty Woman
Source: TOUCHSTONE/WARNERS / Album/EAST NEWS
#12 The short golden dress with tinsel worn by Cameron Diaz in The Mask
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#13 The beaded evening gown worn by Kate Winslet in Titanic
Source: EAST NEWS
#14 The lavender bridesmaid dress worn by Julia Roberts in My Best Friend’s Wedding
Source: TriStar Pictures/Courtesy Everett Collection/East News, East News
#15 The cold shoulder pink dress with matching gloves worn by Marilyn Monroe in Gentlemen Prefer Blondes
Source: East News
#16 The richly decorated pink dress with a matching pink coat and tiara worn by Audrey Hepburn in Breakfast at Tiffany’s
Source: Breakfast at Tiffany's / Paramount Pictures
Source: Breakfast at Tiffany's / Paramount Pictures, Breakfast at Tiffany's / Paramount Pictures
#17 The green gown with a fitted bodice and square neckline worn by Natalie Portman in The Other Boleyn Girl
Source: East News
#18 The golden gown with voluminous shoulders worn by Charlize Theron in Snow White and the Huntsman
Source: East News
#19 The famous little white dress worn by Marilyn Monroe in The Seven Year Itch
Source: 20th Century Fox Licensing/Merch/EAST NEWS
#20 The backless green dress worn by Keira Knightley in Atonement
Source: WORKING TITLE FILMS / Album/EAST NEWS, WORKING TITLE FILMS / Album/EAST NEWS
Source: EAST NEWS