Bella Hadid debuts new hairstyle in sexy bathing suit selfie

Bella Hadid took to Instagram on Monday to share another sexy selfie!

The 20-year-old supermodel rocked a black leotard and knee-high leather boots in the sultry mirror picture, in which she debuted a totally new hairstyle.

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Though it could easily be a wig, Hadid's ringlet curls were definitely a new look for her -- and she was clearly feelin' it! The popular young star totally owned the look and appeared confident and sexy with her new 'do.

still goin๐Ÿ–ค

A post shared by ๐Ÿฆ‹ (@bellahadid) on

Hadid's incredibly fit physique in the photo is surely enviable, but we also have our eyes on her retro Coca-Cola iPhone case.

"Still goin," she captioned the snap, alluding to the fact that she's still working incredibly hard despite the fact that she's coming off over a month of fashion shows all around the world. Hadid walked in shows in New York, London, Milan and Paris in each city's respective fashion week and, though she must be exhausted, she clearly hasn't missed a beat.

See more of Bella Hadid's sexiest Instagrams:

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Bella Hadid's sexiest Instagrams of 2016
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Bella Hadid's sexiest Instagrams of 2016
by @hoskelsa ๐Ÿ’™
๐ŸŒน๐ŸŒน#Freeingthenipple for our French Vogue cover with my brothers @mertalas & @macpiggott Thank you for opening my eyes to a new art form I love You! Thank you for the opportunity and experience @emmanuellealt @vogueparis and everyone for your support #LoveYourBody ๐ŸŒน๐ŸŒน
Morning!!! Getting excited for Paris!!!!! @victoriassecret โค๏ธ๐Ÿ‘ ๐Ÿ‘™โœˆ๏ธ๐Ÿ—ผ Lets go!!!!!! ๐Ÿ’ฅโค๏ธ๐Ÿค˜๐Ÿผ๐Ÿ’ฅ #vsfs2016 ๐Ÿ˜…โค๏ธโœจ
Bye bye LAโค๏ธโ˜€๏ธ๐Ÿ™๐Ÿผshort n sweet
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Tomorrow ๐Ÿ™๐Ÿผ
THANK YOU FOR MAKING ME THE FIRST FOR @thelovemagazine Love Advent Calendar @kegrand !!!! ๐Ÿ˜ˆโค๏ธ๐Ÿ˜น We always have the best time shooting this every year!!!! By the incredible @rankinarchive and @victoriayoung_ ๐Ÿ’˜๐Ÿ’˜Happy December!๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ
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Backstage by @jeromeduran ๐Ÿ’—
I can't believe it! ๐Ÿ’˜๐Ÿ’˜๐Ÿ’˜ I was smiling SO HUGE on the inside I promise!!!! The most fun and nerve racking experience of my life but I wish I could do it over and over and over again!!!!! ๐ŸŽ€๐ŸŽ€Thank you @theweeknd for being the best and most incredible performer on the planet. You KILLED it, as always ๐Ÿ˜ โค๏ธ And not enough thank you's to @ed_razek @10magazine @johndavidpfeiffer @monica.mitro and the whole VS family!!!๐Ÿ’•๐Ÿ™๐Ÿผ๐Ÿ’—๐ŸŽ€thank you for believing in me I love you all so so so much ๐Ÿ’—๐Ÿ’—๐Ÿ’—๐Ÿ’—
Had to get my workout in this morning at @gothamgym before ๐Ÿ—๐Ÿ–๐Ÿด๐ŸŒฝ๐Ÿง€ ๐Ÿ™๐Ÿผ๐Ÿ™๐Ÿผ๐Ÿ™๐Ÿผhappy thanksgiving everyone...โค๏ธ๐Ÿ™๐Ÿผ๐Ÿ˜‡๐Ÿ’•
@nike behind the ๐Ÿ“ธ๐Ÿ“ฝ by my Luv @renellaice
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Wearing all @Dior of course๐ŸŒธ #DiorTheArtOfColor
Crazy.... And next to the legend Henry Rollins... Thank you @calvinklein ๐Ÿ™๐Ÿผ
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โค๏ธTHANK YOU @MARIOTESTINO SUCH A DREAM OF MINE!!!!! XOโค๏ธ
W magazine shot by the amazing @venetialscott and styled by my incredible @edward_enninful I love you โค๏ธ#love @wmag
@flaremag cover in @calvinklein by the amazing amazing amazing @ninomunoz and @isabeldupre ๐Ÿ’๐Ÿ’Thank you โœจ
@ninomunoz
My favorite red lip #RougeDior ! @DiorMakeup ๐Ÿ’„๐Ÿ’‹๐ŸŒน @peterphilipsmakeup
just made my whole week ...๐Ÿ˜ฉThank you for the congratulations my 2nd family @jessejostark @mattyboy90 @laurielynnstark @richardstarkchromehearts I love you โค๏ธ๐Ÿน๐Ÿพ
Thank you everyone at @britishgq , @imgmodels my mom/dad, and all of you crazy cool people out there supporting me
off time- outtake @voguemagazine by @seanthomas_photo
A shot from my @vogueparis cover shoot by my brothers @mertalas and @macpiggott and the great @emmanuellealt ๐ŸŒŸ๐Ÿ’Ž๐ŸŒŸ
at your service :)
baby
My cool creative handsome smart loving happy beautiful brother best friend @anwarhadid
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Island Bels
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After @versace_official show๐Ÿ’„by my sweetest @elizabethsulcer โค๏ธ
Thank you @modelsdot for ranking me on the Top 5O list with so many amazing women and men! 'The Graduates' Shot by the great @sebkimstudio and styled by Vanessa Chow. Read about it on models.com โค๏ธ
Shot from my @lofficielrussia cover by @danilgolovkin ๐Ÿ’™
Today in London๐Ÿค˜๐Ÿป๐ŸŒท๐Ÿ’— @sammcknight1 @thevalgarland Two brilliant minds! Love u both!
finished shooting & we got to jump in the water!!! Thank you @anna_dello_russo & @giampaolosgura ๐Ÿ’™๐Ÿ’™๐Ÿ’™BEST day and best location !!! @voguejapan
mornings with @makeupvincent & @jenatkinhair
Back in Cannes!๐Ÿ‡ซ๐Ÿ‡ท๐Ÿ‡ซ๐Ÿ‡ท๐Ÿ‡ซ๐Ÿ‡ท Off to @degrisogono in my @givenchyofficial ๐ŸŒŸ Zombie patrol: @jenatkinhair @makeupvincent ๐Ÿ’‚๐Ÿผ
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How long til this chick is ready?..!!@jessejostark by @thecobrasnake ๐ŸŽค๐ŸŽค๐ŸŽค๐ŸŽค๐ŸŽค
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When bae says ur cute
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Love @AlexandreVauthier Couture โœจ
Today..coming soon :)
Go to the gym so you can eat a whole pizza to yourself tonight @cullysmoller true story
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