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The very best celebrity hair transformations of 2017

From Kristen Stewart to Blake Lively...

Follow along as we track the most noteworthy celebrity and model hair updates of the year.

1

Blake Lively

Hair, Face, Chin, Nose, Hairstyle, Eyebrow, Forehead, Hair coloring, Head, Skin,
Instagram//Getty Images

When: December 2, 2017

What: Dark Pixie

Why we love it: Blake is known for her long, blonde locks, and she looks completely different with this short, dark style. It's proof that she can be a beauty chameleon.

2

Lily Collins

Hair, Face, Eyebrow, Lip, Hairstyle, Chin, Blond, Nose, Beauty, Skin,
/Instagram//Getty Images

When: December 1, 2017

What: Golden Blonde

Why we love it: Lily Collins tricked us all into thinking she dyed her hair a golden blonde shade not unlike Selena Gomez's new color. But she later shared on Instagram that she's back to he natural hair color...for now. Considering she's tried various shades of brown and fire-red before, blonde could be her next big move.

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3

Ariana Grande

Hair, Face, Eyebrow, Chin, Forehead, Nose, Hairstyle, Lip, Skin, Cheek,
Instagram//Getty Images

When: October 7, 2017

What: "Grey" hair

Why we love it: The singer debuted a new color that she calls "grey" (even though there appears to be a pink tint to it—that could be the effect of a filter) on Instagram.

4

Solange Knowles

Hair, Eyewear, Hairstyle, Beauty, Glasses, Lip, Sunglasses, Fashion, Blond, Hair coloring,
Getty Images

When: September 13, 2017

What: Blonde Braids

Why we love it: The singer, known for taking major beauty risks, debuted platinum blonde braids during New York Fashion Week and we can't get enough.

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5

Pippa Middleton

Eyewear, Sunglasses, Hair, Glasses, Hairstyle, aviator sunglass, Cool, Vision care, Blond, Brown hair,
/Backgrid//Getty Images

When: September 12, 2017

What: Fresh Lob

Why we love it: Pippa Middleton is taking after her sister, having just debuted a shoulder-grazing chop perfect for post-wedding life.

6

Elle Fanning

Hair, Face, Eyebrow, Hairstyle, Blond, Chin, Hair coloring, Nose, Beauty, Brown hair,
Getty/Instagram

When: August 20, 2017

What: Chestnut Brown Hair

Why we love it: Elle Fanning is leading the way in fall haircolor inspiration by dyeing her sunny gold tresses a rich cocoa shade that really flatters her porcelain skin.

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7

Halle Berry

Hair, Hairstyle, Long hair, Beauty, Nose, Hair coloring, Blond, Brown hair, Lip, Surfer hair,
Getty / Instagram

When: August 20, 2017

What: Purple Streaks

Why we love it: Halle Berry might have just turned 51 (we know, we can't believe it either); but she proves she can still effortlessly pull off youthful hair trends, like dyeing her hair with streaks of a fun hue.

8

Emma Stone

Hair, Eyewear, Blond, Face, Hairstyle, Lip, Hair coloring, Eyebrow, Chin, Nose,
Getty Images

When: August 15, 2017

What: Long Blonde Hair

Why we love it: For her new show Maniac on Netflix, Emma Stone took her blonde hair to new lengths with the help of some long extensions.

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9

Paris Jackson

Face, Hair, Eyebrow, Nose, Chin, Lip, Hairstyle, Forehead, Blond, Skin,
Getty Images

When: August 13, 2017

What: Brunette

Why we love it: Paris Jackson traded her in golden locks for a new brunette color that she debuted in a perfect tousled updo at the 2017 Teen Choice Awards. The rich brown hue is the perfect compliment to her icy blue eyes.

10

Rihanna

Hair, Eyewear, Face, Hairstyle, Turquoise, Beauty, Hair coloring, Nose, Sunglasses, Glasses,
/Instagram//Getty Images

When: August 7, 2017

What: Aqua Hair

Why we love it: Rihanna just debuted an aqua blonde hair color that matched her sunglasses and tee shirt perfectly.

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11

Vanessa Hudgens

Hair, Face, Hairstyle, Eyebrow, Chin, Nose, Lip, Beauty, Black hair, Skin,
/Instagram//Getty Images

When: August 2, 2017

What: Graphic Bob and Bangs

Why we love it: The blunt cut! The wavy texture! The new bangs! There's a million reasons to love Vanessa Hudgens' graphic new hairstyle, but we're partial to how just a few small tweaks to a regular bob made her look like an entirely new version of herself.

12

Sarah Hyland

Hair, Face, Hairstyle, Eyebrow, Blond, Hair coloring, Chin, Nose, Brown hair, Lip,
/Instagram//Getty Images

When: August 1, 2017

What: Cinnamon-Chocolate Brown

Why we love it: Sarah Hyland ditched her golden blonde lob for a new shade (and length!) that is sure to make you hungry. Her hairstylist Nikki Lee from 901 Salon in Los Angeles dubbed the shade cinnamon-chocolate. The mix of warm brown and red is perfect for fall, and the longer length makes Hyland almost unrecognizable.

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13

Lady Gaga

Eyewear, Hair, Face, Eyebrow, Lip, Nose, Sunglasses, Blond, Hairstyle, Hair coloring,
/Instagram//Getty Images

When: July 31, 2017

What: Rainbow Hair

Why we love it: Lady Gaga is kicking off her Joanne world tour with a new dye job. her grown-out platinum hair has been dyed orange and teal green.

14

Gigi Hadid

Hair, Face, Blond, Eyebrow, Hairstyle, Hair coloring, Chin, Nose, Lip, Beauty,
Instagram//Getty Images

When: July 28, 2017

What: A Unicorn Ponytail

Why we love it: Gigi Hadid is no stranger to changing up her look—the model does it all the time on the runway. This week, she experimented with a bright pink ponytail (although it's probably only temporary extensions).

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15

Selena Gomez

Hair, Hairstyle, Beauty, Nose, Lip, Fashion, Black hair, Model, Fashion model, Fashion accessory,
/Splash//Getty Images

When: July 25, 2017

What: Deep Side Bangs

Why we love it: Selena Gomez just transformed her hair yet again, this time with deep side bangs. The change comes ahead of her video release for Fetish and after her 25th birthday party.

16

Bella Hadid

Hair, Face, Eyebrow, Hairstyle, Nose, Chin, Lip, Beauty, Skin, Brown hair,
/Splash//Getty Images

When: July 17, 2017

What: Short Bob

Why we love it: Bella Hadid has been gradually cutting her hair shorter and shorter since the start of the year—but at this rate she'll have a pixie cut by the fall. The model just debuted her shortest chop yet: a sleek, chin-length bob.

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17

Sophie Turner

Hair, Face, Hairstyle, Eyebrow, Beauty, Lip, Fashion, Nose, Blond, Eyewear,
Getty Images

When: July 12, 2017

What: Back to red

Why we love it: The natural blonde just dyed her hair back to the color we all associate with her Game of Thrones character Sansa Stark—rich red. Could this mean she's back filming the last season of the show ahead of the season 7 premiere?

18

Sarah Jessica Parker

Hair, Face, Blond, Hairstyle, Nose, Eyebrow, Chin, Beauty, Lip, Long hair,
/Splash//Getty Images

When: July 11, 2017

What: Bright Blonde Lob

Why we love it: Sarah Jessica Parker isn't filming a new SATC movie—but her hair transformation could have fooled us. The actress was spotted in NYC wearing a new wavy lob and bright-blonde color for a film tentatively called Unfollow The Rules.

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19

Karlie Kloss

Karlie Kloss hair transformation
Jun Sato+Jacopo Raule//Getty Images

When: July 3, 2017

What: Platinum Blonde

Why we love it: Karlie Kloss debuted her platinum blonde hair at the Christian Dior show during Paris Fashion Week. The dramatic, yet subtle, change is unexpected, and totally bold.

20

Kristen Stewart

Hair, Eyewear, Hairstyle, Eyebrow, Beauty, Nose, Fashion, Lip, Blond, Sunglasses,
Getty Images

When: June 29, 2017

What: Frosted Tips

Why we love it: Kristen Stewart is growing out her bleach blonde shaved head, and in the process, debuted some very retro frosted tips. The '90s really are back.

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