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These looks are forever seared into our memories.

Mar 2, 2015

Head, Nose, Lip, Cheek, Eye, Hairstyle, Skin, Chin, Forehead, Eyelash,

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Turns out these famous dye jobs were permanent (permanently seared in our memories, that is). Here, a look at Hollywood's most game-changing colorist appointments from the past five years.

No one dictates this rapper's fearless style, and this bright green dye job is proof. Is it pixelated? Or watercolored? Whatever the method, the look has earned her a place amongst the most iconic of hair hue visionaries.

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Nicki Minaj in 2010

No one dictates this rapper's fearless style, and this bright green dye job is proof. Is it pixelated? Or watercolored? Whatever the method, the look has earned her a place amongst the most iconic of hair hue visionaries.

Thanks to her signature grey-lavender 'do, the potty-mouthed TV personality was known endearingly (we think) in England as the "queen of the granny girls." (Apparently she kept the look for so long that she even signed a two-year contract that forbade her from changing colors!)

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Kelly Osbourne in 2010

Thanks to her signature grey-lavender 'do, the potty-mouthed TV personality was known endearingly (we think) in England as the "queen of the granny girls." (Apparently she kept the look for so long that she even signed a two-year contract that forbade her from changing colors!)

Ms. <em>Poker Face</em>'s hair is just another outlet for the pop star's eccentric style. Never the conformist, she paired sea-foam green strands with black roots in her take on the pastel trend.

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Lady Gaga in 2011

Ms. Poker Face's hair is just another outlet for the pop star's eccentric style. Never the conformist, she paired sea-foam green strands with black roots in her take on the pastel trend.

With her flaming red hair fashioned into a retro, almost costume-like style, RiRi was a welcome addition to the redheaded set. Her florescent hue inspired a new generation of beauty risk takers to go bold or go home.

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Rihanna in 2011

With her flaming red hair fashioned into a retro, almost costume-like style, RiRi was a welcome addition to the redheaded set. Her florescent hue inspired a new generation of beauty risk takers to go bold or go home.

The pop star is equally known for her megawatt manes, like this multicolored ponytail, as she is for her dangerously catchy music. It's true: Perry is <em>My Little Pony</em>, personified.

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Katy Perry in 2012

The pop star is equally known for her megawatt manes, like this multicolored ponytail, as she is for her dangerously catchy music. It's true: Perry is My Little Pony, personified.

The "Drunk in Love" singer has long mastered the hair color change-up, switching from highlights to lowlights faster than a Jay-Z freestyle. Her bright blonde locks are just the latest picture of perfection.

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Beyonce in 2014

The "Drunk in Love" singer has long mastered the hair color change-up, switching from highlights to lowlights faster than a Jay-Z freestyle. Her bright blonde locks are just the latest picture of perfection.

The youngest Jenner sister stepped out of her big sisters' shadows last year with statement-making turquoise streaks. The rest, of course is Kylie hair history.

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Kylie Jenner in 2014

The youngest Jenner sister stepped out of her big sisters' shadows last year with statement-making turquoise streaks. The rest, of course is Kylie hair history.

This <em>Girls</em> star boldly traded in her brunette locks for the chic, steely chop du jour. She splashed the look with white and silver highlights to keep it youthful and sophisticated, schooling us all in the art of going gray.

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Zosia Mamet in 2014

This Girls star boldly traded in her brunette locks for the chic, steely chop du jour. She splashed the look with white and silver highlights to keep it youthful and sophisticated, schooling us all in the art of going gray.

The actress once admitted to <a href="http://www.cosmopolitan.com/style-beauty/beauty/how-to/a13683/emma-stone-goes-back-to-red-hair/" target="_blank">Cosmo</a> that blondes do have more fun (she would know—it's her natural color), but she feels more like herself as a redhead: Her mother once sported the feisty hue. For the record, we love it on her.

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Emma Stone in 2014

The actress once admitted to Cosmo that blondes do have more fun (she would know—it's her natural color), but she feels more like herself as a redhead: Her mother once sported the feisty hue. For the record, we love it on her.

Fashion's favorite BFF is always ahead of the curve, especially when it comes to hair color. When she strutted out with cerulean strands, she proved that blue(berry) is the new black.

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Nicole Richie in 2014

Fashion's favorite BFF is always ahead of the curve, especially when it comes to hair color. When she strutted out with cerulean strands, she proved that blue(berry) is the new black.

You either remember her for being Kanye's ex or for her ultra-short buzz cut that she reportedly trims and re-dyes to an icy blond shade every three days. Sure, it seems like a lot of upkeep, but hey, that's the price you pay when sporting a signature style.

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Amber Rose in 2015

You either remember her for being Kanye's ex or for her ultra-short buzz cut that she reportedly trims and re-dyes to an icy blond shade every three days. Sure, it seems like a lot of upkeep, but hey, that's the price you pay when sporting a signature style.