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Alright, here’s the scoop: Cannes used to be the parade of jaw-dropping dresses and bold fashion moves. But things got a little TOO wild with sheer fabrics, giant trains, and outfits that made security lose sleep. So now, they’ve cracked down HARD. Here's a peek at 18 of the most jaw-dropping looks that would be *totally* banned now. Ready?

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#1

Heidi Klum - 2025

Heidi Klum - 2025

Daniele Venturelli/WireImage Report

Picture Heidi Klum showing up in 2025 wearing this pastel pink Elie Saab dress that was basically a floral cloud. It had layers and layers of delicate organza, a thigh-high slit, and the grandest train you’ve ever seen - like, the dress had its own zip code! People needed help just to manage all that fabric on the stairs. Today? That gigantic train wouldn’t even get a “hello” from security.

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    #2

    Bella Hadid - 2024

    Bella Hadid - 2024

    Mike Marsland/WireImage Report

    Bella decided to go for the full ‘look at me’ vibe in 2024 with a sheer chocolate-brown dress made entirely of see-through mesh (like pantyhose, but make it fashion!). No lining, no undergarments, just boldness. While some loved the gutsy move, Cannes’ new rules would slam the door on that one faster than you can say 'cover-up!'

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    #3

    Cameron Diaz - 2002

    Cameron Diaz - 2002

    J. Vespa/WireImage Report

    Back in 2002, Cameron rocked an all-black sheer Versace dress with a cheeky twist – the black underwear underneath was out there for all to see. Camera flashes? Instant exposure! Sadly, that little peek-a-boo wouldn’t slide past today’s super strict set of Cannes fashion cops.

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    #4

    Claudia Schiffer - 2000

    Claudia Schiffer - 2000

    Pool BENAINOUS/DUCLOS/Gamma-Rapho via Getty Images Report

    Claudia turned up in 2000 wearing chainmail gold that sparkled but also made her look like she had stepped out of a medieval disco. The low-cut neckline and open back combined with semi-sheer fabric made it kinda naked-by-proxy. Fun? Totally. Allowed now? Nope, nope, nope.

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    #5

    Kristen Stewart - 2018

    Kristen Stewart - 2018

    Andreas Rentz/Getty Image Report

    Kristen showed up decked out in a silver sparkle mini-dress but totally tossed the rulebook out the window by chucking her heels and walking barefoot up the stairs. A power move or rebellious act? You bet! These days, Cannes says formal shoes or sandals only, so bare feet would get you benched.

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    #6

    Madonna - 1991

    Madonna - 1991

    Dave Hogan/Getty Images Report

    Madonna really went all in at Cannes 1991 with a giant pink satin cloak - and then dramatically whipped it off to reveal just a cone bra and some high-waisted briefs. Classic Madonna, drama queen extraordinaire! Unfortunately, Cannes’ new rules would say, 'Thanks, but no thanks.'

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    #7

    Jennifer Lawrence - 2023

    Jennifer Lawrence - 2023

    Stephane Cardinale - Corbis/Corbis via Getty Images Report

    Jennifer showed up looking like old-school Hollywood royalty in a beautiful cherry-red Dior gown with a crazy long train. But surprise! Underneath were plain ol’ black flip-flops. Her heels were too big and slippery, so the comfy slippers saved the day. Flip-flops, though? Total no-go in today’s formal shoe-only zone.

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    #8

    Kendall Jenner - 2018

    Kendall Jenner - 2018

    George Pimentel/WireImage Report

    Kendall rocked a totally see-through white gown, no bra in sight, just sheer silk tulle and a statement belt. Stunning? Absolutely. Allowed nowadays? Nope. Cannes says see-through is more like see-you-never at the entrance.

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    #9

    Julia Roberts - 2016

    Julia Roberts - 2016

    Andreas Rentz/Getty Images Report

    Julia made headlines not for a crazy dress but because she ditched her heels and walked barefoot up Cannes’ famous stairs. A comfy spotlight-stealer! But under today’s strict shoe rules, she’d be stopped faster than you can say 'where are your shoes?'.

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    #10

    Aishwarya Rai Bachchan - 2024

    Aishwarya Rai Bachchan - 2024

    Lionel Hahn/Getty Images Report

    In 2024, Aishwarya made a splash with a turquoise-and-silver gown featuring layers of fringe and one heck of a fishtail train. Plus, giant sculptural sleeves that screamed drama. It was like she brought the stage curtain with her! Sadly, Cannes now says too big and too showy get you kicked off the red carpet.

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    #11

    Timothée Chalamet - 2021

    Timothée Chalamet - 2021

    Samir Hussein/WireImage Report

    Timothée showed up in a metallic Tom Ford suit that shouted 'rockstar' only to totally ignore the tuxedo rules by skipping the bow tie and rocking sunglasses. Cannes loves tradition, so this edgy look would probably get bounced now faster than you can ask for a bow tie.

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    #12

    Milla Jovovich - 1997

    Milla Jovovich - 1997

    Pool ARNAL/CATARINA/CHARRIAU/GERAL/Gamma-Rapho via Getty Images Report

    Milla dared to wear a sheer netting dress with metallic beads that left little to the imagination while introducing what would later become the ‘naked dress’ trend. Sewing her INTO the dress was the final touch. Today’s Cannes? This would be a big fat no-go.

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    #13

    Jodie Turner-Smith - 2021

    Jodie Turner-Smith - 2021

    Mike Marsland/WireImage Report

    Jodie stepped out in 2021 wearing a black vinyl corset paired with a billowy cream skirt covered in bright yellow ostrich feathers. It looked like a runway and a party combined - but Cannes doesn’t do feathers that block the carpet anymore. Sorry, Jodie!

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    #14

    Ilona Staller - 1988

    Ilona Staller - 1988

    Pool GARCIA/URLI/STILLS/Gamma-Rapho via Getty Images Report

    La Cicciolina didn’t come to Cannes to play it safe - her sheer outfit showed, well, everything. Plus, she brought along a giant pink stuffed toy. Themed outfits and toys? Cannes says no way today.

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    #15

    Víctoria Abril - 1997

    Víctoria Abril - 1997

    Pool ARNAL/CATARINA/CHARRIAU/GERAL/Gamma-Rapho , Pool ARNAL/CATARINA/CHARRIAU/GERAL/Gamma-Rapho via Getty Images Report

    Victoria showed up wearing a blazer and... no pants. From behind, the jacket flared to reveal bare legs with underwear printed like a thong. It shocked the crowd then, and today? That pantless moment wouldn’t make it past security.

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    #16

    Qianhui Wan - 2025

    Qianhui Wan - 2025

    Vittorio Zunino Celotto/Getty Images Report

    Qianhui showed up in what looked like a giant marshmallow - the gown’s huge puffed-out tulle layers and a train that felt like it had its own gravitational pull caused quite a stir. These days, Cannes says big trains that block traffic are a big no.

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    #17

    Pablo Picasso - 1953

    Pablo Picasso - 1953

    Keystone-France/Gamma-Rapho via Getty Images Report

    Picasso, breaking all the rules before they existed, showed up wearing a corduroy hunting jacket (yes, corduroy), a sheepskin coat, and skipped classic tuxedo vibes. In today’s Cannes world? He’d probably be told to hit the wardrobe FAST.

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    #18

    Kiddy Smile - 2019

    Kiddy Smile - 2019

    Marc Piasecki/FilmMagic Report

    Kiddy Smile dared to rock a multi-tiered floral gown instead of the usual tux at the 2019 premiere. It was bold, fabulous, and made security raise some eyebrows. Today, big gowns with massive trains are a no-no for guys at Cannes.

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