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Celebrities love to go all out for Halloween.

Sometimes, they go a little too far though, and end up with offensive costumes.

Other times, they end up with creative, well-executed outfits that serve as inspiration for Halloweens to come.

We took a look at celebrity couples' costumes throughout the years and rounded up some of the best.

From Justin Timberlake and Jessica Biel as characters from "Trolls" to Beyoncé and Jay-Z as Barbie and Ken, here are 21 couples costumes that we love.

Beyoncé and Jay Z as Barbie and Ken

Kate Upton and Justin Verlander as Sandy and Danny from "Grease"

Ansel Elgort and Violetta Komyshan as Jon Snow and Daenerys Targaryen

Justin Timberlake and Jessica Biel as characters from "Trolls"

Fergie and Josh Duhamel as Choupette and Karl Lagerfeld

Katy Perry and Orlando Bloom as Bill and Hillary Clinton

Cindy Crawford and Rande Gerber as Cher and Gregg Allman

Jennifer Lopez and Casper Smart as skeletons

Chrissy Teigen and John Legend as Cleopatra and Mark Antony

Channing Tatum and Jenna Dewan Tatum as "Cat in the Hat"

Heidi Klum and Seal as Eve and the apple and the serpent

Gisele Bündchen and Tom Brady as Dorothy and the Cowardly Lion from "Wizard of Oz"

Donald Faison and CaCee Cobb as King Kong and Ann Darrow

Kim Kardashian West and Kanye West as Batwoman and Batman

Jessica Simpson and Eric Johnson as Christie Brinkley and Chevy Chase in "National Lampoon's Vacation"

Giuliana and Bill Rancic as plastic surgeon and patient

Seth Rogen and Lauren Miller as Mario and Luigi

Demi Lovato and Wilmer Valderrama as Lucy and Ricky Ricardo from "I Love Lucy"

Kate Moss and Jamie Hince as Morticia and Gomez Addams

Christina Aguilera and Jason Bateman as zombie bride and groom

Mariah Carey and Nick Cannon as angels

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