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The good ol' Canadian tuxedo! It's been a staple with celebrities over the years (who could forget the iconic Britney and Justin look?!), with famous faces frequently trying their hand at the divisive denim-on-denim trend. Wonderwall.com rounded up celebs who took a stab at the look — for better or for worse! — starting with this fashion "it" girl…
In January 2023, Dakota Johnson donned a dramatic all-denim Magda Butrym ensemble — a bustier top with loose-fitting pants and a matching oversized jacket — at the Opening Night: A Taste of Sundance event during the Sundance Film Festival.
Keep reading for more double-denim looks…
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For a casual walk around the City of Light during Paris Fashion Week in September 2022, Megan Fox and Machine Gun Kelly wore these wild looks. Meghan described her super-denim outfit — a long Lapointe fur-trimmed jacket, a Natasha Zinko zippered minidress and Gia Borghini knee-high boots — alongside his pink vest and black latex shorts ensemble as "Britney and Justin if they had been Greenwich Village art school drop outs instead of Disney channel sweethearts."
RELATED: Celeb couples who dress alike
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Model, actress and designer Emily Ratajkowski attended the Loewe Collection Womenswear Spring/Summer 2023 Ready-to-Wear show during Paris Fashion Week in France in September 2022 in this wild double-denim look from the brand — wide-legged jeans, no shirt and an unbuttoned jean jacket tied up in a big ol' bow.
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Carrie Underwood wore the perfect look to promote new album "Denim & Rhinestones" on the talk show "Lorraine" in London in June 2022 — a light denim blazer and matching jeans, both by Gucci, trimmed in rhinestones and metal studs.
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Heidi Klum wore a button-down denim shirt tucked into wide-legged patchwork jeans on a walk with husband Tom Kaulitz in New York City in June 2022.
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Shawn Mendes wore a '70s-inspired wide-legged denim suit to the Juno Awards in Toronto in May 2022.
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Duchess Meghan watched husband Prince Harry play polo in Santa Barbara, California, in June 2022 in a double-denim look: a chambray button-down shirt tucked into high-waisted shorts by DÔEN.
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Adele doubled up on her denim, donning a denim button-down shirt and jeans in the same shade of blue with neutral heels at an NBA playoff game in San Francisco in May 2022.
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Harry Styles rehearsed before performing on NBC's "Today" show in New York City in May 2022 wearing jeans paired with a denim jacket featuring a fur-trimmed collar.
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Kim Kardashian rocked this dual-hued denim look while out to dinner with current squeeze Pete Davidson in Los Angeles in April 2022 — a fitted dark-denim blouse with baggy sleeves tucked into high-waisted, wide-legged jeans paired with neon green pumps.
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Months before Kim Kardashian rocked double denim on a date night with Pete Davidson, her ex-husband Kanye West sported the controversial combo alongside then-flame Julia Fox during Paris Fashion Week in January 2022. While on hand for the Kenzo Fall/Winter 2022/2023 Menswear presentation, the duo wore Canadian tuxedos in varying shades of blue from different designers — Balenciaga for Kanye with black boots from Red Wing and a Schiaparelli jacket for Julia with Carhartt pants and denim Diesel boots.
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Camila Cabello opted for some serious denim from Diesel during a performance on the "Today" show in New York City in April 2022. The singer rocked a long coat with a multihued denim top tucked into high-waisted jeans and even completed her look with denim boots!
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Claire Foy stepped out in New York City in April 2022 wearing a two-piece Rejina Pyo double-denim look — a belted jacket with a pointed collar and horn-effect buttons worn over front-seam high-rise flared trousers.
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While in town for the Coachella Valley Music & Arts Festival in April 2022, Peyton List attended the Revolve Festival in Indio, California, in double denim with a festival twist. The star sported a long denim vest open with a gold bralette underneath and added wide-legged jeans in a matching shade. Completing this Coachella-ready look? Cowboy boots, of course.
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Another Diesel denim-on-denim look! Dua Lipa sported this edgy ensemble from the brand on her way to a taping of "The Tonight Show Starring Jimmy Fallon" in New York City in March 2022 — a crop top and baggy jeans — but the denim didn't end there. She also added heeled denim boots and a bag made of the fabric to fully commit.
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Dressy denim! Khloe Kardashian rocked a halter-style denim dress with a plunging neckline underneath a denim duster coat while at Nobu in Malibu in March 2022. She added simple black heels for a night-out take on the Canadian tuxedo.
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Model Sara Sampaio took her denim look one step further, opting for a patchwork cropped jacket and matching high-waisted pants set while out in Los Angeles in March 2022. She added a creamy tank and white sneakers to complete her bold ensemble.
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The guys can get in on the trend too! Evan Mock attended the 2021 CFDA Awards in November 2021 in this all-white ensemble that included a denim jacket and matching jeans with some funky white split-toe boots to finish things off.
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Nick Jonas hit the NBC Universal Upfront Presentation in New York City in May 2022 in a double-denim suit accessorized with a trucker cap and sneakers.
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Off-duty model chic! Gigi Hadid showed her take on the trend in September 2021 during Milan Fashion Week. The supermodel sported a denim shirt halfway unbuttoned with jeans in a matching shade and added white sneakers while out and about between gigs.
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One of our favorite double-denim looks of all time? Emily Ratajkowski's effortless street style moment in New York City in November 2021. The beauty rocked this dark-denim blouse tucked into high-waisted jeans and added boots and a belt to finish the outfit.
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A denim bralette? Julia Fox donned the tiny top with a baggy denim blazer and equally baggy jeans, then finished things off with pale denim heeled boots while out and about in Los Angeles in March 2022.
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Courteney Cox showed off her take on double denim with this light chambray blouse tucked into medium-blue skinny jeans while out and about in Los Angeles in March 2021. She added white sneakers and a black tote to complete the laid-back look.
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Ben Platt rocked denim on denim to the most fashionable event of the year in 2021 — the Met Gala. He wore these Christian Cowan coordinates in a rich blue shade with a silky shirt and platform boots.
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Hailey Bieber is no stranger to rocking denim on denim. Check out this unique look she sported in New York City in October 2020 — a Vivienne Westwood ensemble comprised of a cropped jacket and corseted trousers all made of recycled denim paired with fresh white sneakers.
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Another cool Canadian tuxedo moment from Hailey Bieber came when she stepped out in Beverly Hills in September 2019 wearing an oversized Maison Margiela shirt left open and paired it with a black crop top and low-slung baggy jeans on the bottom.
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Miley Cyrus rocked a wild top hat and a buttoned-up denim jacket with jeans while out and about in New York City in October 2020, adding black boots to complete her funky getup.
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Light denim on denim can be a great choice, as proven by Katie Holmes' look in New York City in November 2020: a blousy chambray top tucked into a pair of cropped jeans accessorized with bold yellow sandals — an easily duplicated ensemble.
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Here's a unique twist! Venus Williams wore these dark-denim coordinates to the Louis Vuitton Womenswear Fall/Winter 2022/2023 show during Paris Fashion Week in March 2022. She paired jean shorts and cropped jacket with a white cropped T-shirt and funky black sandals for the high-fashion event.
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While out and about in Los Angeles in February 2021, Zoey Deutch opted for a dark-denim ensemble — a long-sleeved, buttoned-up denim shirt tucked into bootleg jeans — that almost looked like a full jumpsuit.
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Double the light denim! Adriana Lima looked chic at the Cannes Film Festival in May 2019 in this pale jean jacket draped atop her shoulders with a white turtleneck and high-waisted light cuffed jeans with platform boots.
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Celine Dion proved that denim doesn't have to be casual — it can be dressy too! The icon sported a denim blazer and a matching loose tie with jeans in a darker shade while on hand for an appearance on "Watch What Happens Live with Andy Cohen" in New York City in November 2019.
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Denim and pink make a pretty good combo, as exemplified by Bella Hadid in New York City in June 2019. The model rocked her blue denim shirt unbuttoned over top an equally unbuttoned pink blouse with classic jeans and fuzzy pink sandals.
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Lucy Hale mixed up the colors of her denim while out in Los Angeles in October 2021. The actress wore a white tank and black loafers with a black-and-gray cropped jean jacket paired with classic blue jeans, proving her commitment to the Canadian tuxedo.