What's spookier than one Halloween costume? Two, of course! These celebrity couples outdid themselves for Halloween 2019 -- sink your fangs into some of our fave looks from these loved-up duos.
John Legend and Chrissy Teigen
For their own Halloween soiree, Legend dressed as king to his queen, Maleficient.
Freddie Prinze Jr. and Sarah Michelle Gellar
The adorable husband-and-wife duo didn't even need a DeLorean to perfect their Doc Brown and Marty McFly looks from Back to the Future.
Dax Shepard and Kristen Bell
The hilarious duo thought a couple holidays ahead for their Halloween costumes, taking a family photo as Mr. and Mrs. Claus, while their daughters, Lincoln and Delta, were dressed up as a Christmas tree and a reindeer. "Merry Christmas, Halloween! ???????????," Bell captioned the cute pic.
Deena Cortese and Christopher Buckner
The Jersey Shore Family Vacation star went Disney for her family costumes. Her husband dressed up as Aladdin, while she was a pretty princess as Jasmine. Even their son, CJ, got in on the animated action as monkey Abu.
Caroline and Luke Bryan
The American Idol judge and his wife didn't bury their heads in their his-and-hers ostrich suits.
Eric and Jessie James Decker
Grease lightning took over the Deckers as they stepped out as Danny and Sandy from the classic 1978 film.
Gabrielle Union and Dwyane Wade
The L.A.'s Finest star dubbed her family's plant-based costumes, "Garden Growths Wade Version."
Antoni Porowski and Kevin Harrington
Is there anything spookier than two Blockbuster employees coming back from the dead?
Mia Swier and Darren Criss
This duo barked up the right tree with their Cruela De Vil and Dalmatian costume at Podwall Entertainment's Maker's Mark-presented 10th Annual Halloween Party in West Hollywood. Criss was even repping nearly 101 of the pups on his onesie!
Barbara Palvin and Dylan Sprouse
The gorgeous pair brought Princess Mononoke's Ashitaka and San to life.
Jesse Tyler Ferguson and Justin Mikita
"You should see us in a crown," the Modern Family star joked of his and his husband's take on the brother-sister musical collaborators, Finneas and Billie Eilish.
Maya Henry and Liam Payne
The former One Direction singer and his lady love were ready to fight evil as Catwoman and Batman as they stepped out for Jonathan Ross' Halloween party in London.
Saweetie and Quavo
The Migos rapper dubbed his and his girlfriend's villainous looks "P A R T N E R I N C R I M E Halloween Killas."
Christian Siriano and Kyle Brown
The duo dared to eat the apple as Adam and Eve at the Fleur Room's Halloween party, which was transformed into the Garden of Good and Evil, atop the Moxy Hotel in Los Angeles.
Miley Cyrus and Cody Simpson
The musical couple went punk as Billy Idol and Perri Lister.
Ashley Tisdale and Christopher French
The High School Musical alum and her husband took on the ghostly roles of Geena Davis and Alec Baldwin's Beetlejuice characters, Barbara and Adam.
Tom Kaulitz and Heidi Klum
As per usual, Klum did not mess around this Halloween! For her 20th Annual Halloween Party in New York City, she dressed up as an alien attacking her husband, who was in full astronaut regalia.
Mariah Carey and Bryan Tanaka
The musical duo turned it up to 11 as '80s hair band rockers at Heidi Klum's soiree.
David Burtka and Neil Patrick Harris
The duo pulled out their best all-black drapery and long, wavy blonde wigs to hit up Heidi Klum's soiree as Mary-Kate and Ashley Olsen.
Brian Keys and Hunter McGrady
She found her prince! The model and her hubby went with a Disney classic for Heidi Klum's bash, stepping out as the Little Mermaid's Ariel and Prince Eric.
Mark Consuelos and Kelly Ripa
The Riverdale star stopped by his wife's morning talk show, Live With Kelly and Ryan, where the pair got creepy and kooky as Gomez and Morticia Addams.
Brittany Snow and Tyler Stanaland
Even the engaged couple's dog got in on the costume fun, with the trio bringing "raining cats and dogs" to life.
Tana Mongeau and Jake Paul
The newlyweds rocked their best Canadian tuxedos as Britney Spears and Justin Timberlake from the 2001 American Music Awards.
Erica Mena and Safaree Samuels
The pregnant model and her rapper husband recreated Kim Kardashian and Kanye West's 2013 Met Gala looks.
Ciara and Russell Wilson
This is what we're thankful for: the pair dressed like another pop-culture power couple for Halloween -- Beyonce and JAY-Z! Specifically, Ciara and Wilson imitated the colorful "APES**T" music video looks, with the "Thinkin Bout You" singer in Bey's silk pink suit with a red rope belt and lots of jewels, while her hubby ditched his shirt and sported Jay's turquoise suit and large gold chain necklace. Not only did the NFL quarterback style his hair to look the same as the "Holy Grail" rapper, the couple posed in front of a portrait of Michelle and Barack Obama!
Rebecca Romijn and Jerry O'Connell
How clever is this? The couple was one with Mother Earth in these fire and rain ensembles.
Austin Butler and Vanessa Hudgens
Hudgens' used a quote from Eyes Wide Shut to caption this moody shot of her and her boyfriend's looks from the Tom Cruise-Nicole Kidman film: "No dream is ever just a dream."
Jessica Biel and Justin Timberlake
Forget bye, bye, bye -- this is yes, yes yes! Though Biel has previously mentioned that she wasn't an *NSYNC fan when she was younger, that didn't stop her from dressing up as her former boy band husband for the annual Casamigos Halloween party. As for Timberlake, he went as a microphone, making this one of the best musical couples costumes we've ever seen!
Rande Gerber and Cindy Crawford
The couple went vintage for Casamigos' annual “Brought to You by Those Who Drink It” Halloween party in Beverly Hills. Gerber looked super happy as a hippie, while Crawford was a disco queen.
Molly Sims and Scott Stuber
The duo granted wishes as I Dream of Jeannie's Jeannie and Captain/Major Anthony "Tony" Nelson.
Stephen Amell and Cassandra Jean
Amell traded his Green Arrow tights for a hot dog suit to attend the 2019 Casamigos Halloween Party with his wife as frank and beans.
Abby Champion and Patrick Schwarzenegger
Yeah, baby! These two were totally groovy at the Casamigos party as a Fembot and Austin Powers from 1997's Austin Powers: International Man of Mystery.
Evan Peters and Halsey
The pair rocked Sonny and Cher costumes as they made their red carpet debut at FX's American Horror Story 100th episode celebration at L.A.'s Hollywood Forever Cemetery.
Kenneth Petty and Nicki Minaj
The rapper and her hubby went for villainous vibes as Suicide Squad's Joker and Harley Quinn.
Lais Ribeiro and Joakim Noah
The engaged couple was clearly dedicated to their Avatar looks for Marquee New York’s annual “Night of the Fallen” Halloween party.
Dean Ungert and Caelynn Miller-Keyes
"Just a dirtbag and his beauty queen ?," Miller-Keyes described her and her Bachelor in Paradise beau's reverse-gender looks.
Jameela Jamil and James Blake
A nun run! The Good Place star and her singer beau got in the habit with two pals for their Sister Act tribute.
Nats Getty and Gigi Gorgeous
The pair's Jack Skelleton and Sally looks were so on point, it was like the Nightmare Before Christmas really had come to life at the 2019 UNICEF Masquerade Ball in West Hollywood.
Juan David Borrero and Jasmine Tookes
It was a pirates' life for the Victoria's Secret Angel and her boyfriend.