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The world has witnessed Demi Lovato's transformation from the time she was a little girl on Barney & Friends until now that she's a grown woman. The Grammy-nominated singer has gone through many changes in her life, both personal and professional, all in front of the public eye. One aspect of herself that she is always reinventing and updating is her appearance--especially her hair. 

Demi is not afraid to try new, bold, head-turning looks, but she can also rock a classic hairstyle like no other. She started off with her natural hair on Camp Rock and eventually began switching it up as she went from a wholesome child actress to an international superstar. Demi's personality began to shine through as her courage and bravery were shown through her hairstyle choices. She's never afraid to stand out in a crowd or go against the norms, and that's one of the best things about her. 

More from MamásLatinas: 10 Times Demi Lovato has inspired us to love ourselves

From her new blonde hair to her blue and pink hair stages, it's clear that the former Disney Channel star is absolutely fearless in everything she does. Every new hairstyle she's had is almost symbolic to whatever phase she was in at the time. Who can forget the half-shaved look she wore during her stint as an X Factor judge or the short bob haircut she got for the Confident album era?

Demi continues transforming herself with her looks, her style and in her career choices. She is limitless in everything she does and the way she revolutionizes her hair is an indication that, for her, the possibilities are endless. Scroll through to see Demi's best hair transformations through the years, and to see her gorgeous new blonde hair. 

This is how the world first met Demi. 1

She was so cute as a 10-year-old kid on Barney & Friends

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Demi first came onto the scene through the Disney Channel. 2

Demi first came onto the scene through the Disney Channel.

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While she had been acting since she was super young, landing the lead role in 2008's Camp Rock made Demi a household name. Her hair looked so pure and natural back then. 

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She switched up the waves for a straight, sleek look. 3

She switched up the waves for a straight, sleek look.

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The bangs and straight hair definitely remind us of her role as Mitchie Torres in the Disney Channel movie.

Her hair started to look more & more like Hollywood glam. 4

Her hair started to look more & more like Hollywood glam.

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Her hair was a bit darker at the premiere of the Jonas Brothers: The 3D Concert Experience in 2009.

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Demi tried a drastic change, opting for a lighter brown shade in 2010. 5

Demi tried a drastic change, opting for a lighter brown shade in 2010.

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The lighter color brightened up her look and gave a bit her more warmth.

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Demi went all the way. 6

Demi went all the way.

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Demi showed up at the 2012 VMAs to get her Moonman for Best Video With A Message and she wore her long, extremely blonde hair swooped to the side.

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Bangs & straight hair looked great on Demi. 7

Bangs & straight hair looked great on Demi.

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That same year she appeared at the iHeartRadio Awards with this bold look. 

She made this classy updo look edgy. 8

She made this classy updo look edgy.

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Demi slayed with this updo at Wango Tango 2013. 

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She was a vision in blue. 9

She was a vision in blue.

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Demi was awesome as a judge on The X Factor, and the blue hair made her even more unforgettable. 

She looked like an ice princess. 10

She looked like an ice princess.

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This blue look might be one of the "Sorry Not Sorry" singer's best hair eras! 

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Demi looked super edgy with this new style. 11

Demi looked super edgy with this new style.

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Demi shaved the side of her head at one point in 2014, and lightened the tips of her hair.

Demi changed it up again in 2014. 12

Demi changed it up again in 2014.

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She kept the shaved side but switched up the color by doing a purple ombre at the bottom. So beautiful! 

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Demi at the 2014 VMAs was a LOOK! 13

Demi at the 2014 VMAs was a LOOK!

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Say what you want about Demi, it takes one super confident person to rock this hairstyle. While it might a bit of some soccer mom vibes, the red dress with a plunging neckline and bold lip make the whole look incredible. 

2014 was quite a year for Demi's hair. 14

2014 was quite a year for Demi's hair.

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She put her hair through a lot that year but she made the blue hair looked super stylish.

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The pink era was also one to remember. 15

The pink era was also one to remember.

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For some reason, seeing Demi in pink hair made us want pink hair.

This shoulder-length cut is definitely Demi's signature hair. 16

She looked so grown up in 2017 when she chopped off her hair and debuted a shorter look.

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She looked stunning at the 2015 American Music Awards. 17

Demi looked like she stepped right out of the 1920s with this hairstyle. 

The singer looked fierce at the 2016 Met Gala. 18

She wore her short hair slicked all the way back and it looked gorgeous!

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She was a full on blondie again in 2016. 19

She was a full on blondie again in 2016.

Demi's hair looked super healthy and long in this snap from November 2016.

She glows with blonde hair! 20

The color definitely warms up her skintone. 

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Demi wore her long black hair in 2017. 21

While it's most likely a wig, this is giving us major Cher vibes.

Demi turned heads with this Halloween look in 2017. 22

Demi wore this short wig for her cop costume in 2017 and she looked HOT!

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Demi's hair caused some backlash. 23

Demi caused a bit of controversy when she wore dreadlocks for the "No Promises" music video in 2017 and people accused her of cultural appropriation.

Can you ever go wrong with a high pony and hoop earrings? 24

Demi slayed this look in 2017 and the pulled up hair helps show off her gorgeous face.

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Demi's fresh look for the summer is so cool! 25

Most recently the "Tell Me You Love Me" singer debuted a gorgeous blonde look, that is perfect for summer 2018--and she looks so grown and sexy!