Demi Lovato's style transformation: See all of her best fashion moments!

Demi Lovato's style evolution is one for the books! Over the years, there hasn't been a fashion trend that the star hasn't tried. From blue hair to blonde hair, from punk rock to Grecian goddess, she's rocked every type of look, all while staying true to herself.

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Demi Lovato over the years
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Demi Lovato over the years
LOS ANGELES, CA - NOVEMBER 23: Actress/singer Demi Lovato arrives at the 2008 American Music Awards held at Nokia Theatre L.A. LIVE on November 23, 2008 in Los Angeles, California. (Photo by Jeff Kravitz/FilmMagic)
LOS ANGELES, CA - NOVEMBER 17: Actress Demi Lovato arrives at the Los Angeles Premiere "Twilight" at the Mann Village Theater on November 17, 2008 in Westwood, California. (Photo by Jon Kopaloff/FilmMagic)
ANAHEIM, CA - OCTOBER 05: Actress Demi Lovato arrives at Miley Cyrus` "Sweet 16" Celebration" at Disneyland on October 5, 2008 in Anaheim, California. (Photo by Jon Kopaloff/FilmMagic)
Demi Lovato attends the premiere of "Camp Rock" at Royal Festival Hall. (Photo by rune hellestad/Corbis via Getty Images)
UNSPECIFIED - SEPTEMBER 07: MTV VIDEO MUSIC AWARDS Photo of Demi LOVATO, Portrait of Demi Lovato at the MTV Video Music Awards held at Paramount Studios in Hollywood (Photo by Christina Radish/Redferns)
NEW YORK - JUNE 11: Actress Demi Lovato attends the "Camp Rock" premiere on June 11, 2008 at the Ziegfeld Theatre in New York. (Photo by Dimitrios Kambouris/WireImage)
Singer Demi Lovato arrives at the 2009 American Music Awards at Nokia Theatre L.A. Live on November 22, 2009 in Los Angeles, California.
TORONTO, ON - JUNE 18: Actress Demi Lovato attends the Red Carpet Premiere For Disney's "Princess Protection Program" at the Queen Elizabeth Theatre on June 18, 2009 in Toronto, Canada. (Photo by George Pimentel/WireImage)
THE TONIGHT SHOW WITH JAY LENO -- Episode 4530 -- Pictured: Singer Demi Lovato during an interview on September 17, 2013 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
LATE NIGHT WITH JIMMY FALLON -- Episode 506 -- Pictured: Demi Lovato in an interview with Jimmy Fallon on September 20, 2011 (Photo by Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)
Singer Demi Lovato attends a photocall to promote the movie "Camp Rock 2 The Final Jam" at Four Seasons Hotel on October 24, 2010 in Mexico City, Mexico.
LOS ANGELES, CA - OCTOBER 12: Demi Lovato attends 2010 American Music Awards Nominations at JW Marriott Los Angeles L.A. LIVE on October 12, 2010 in Los Angeles, California. (Photo by ANDREAS BRANCH/Patrick McMullan via Getty Images)
WEST HOLLYWOOD, CA - SEPTEMBER 29: Actress Demi Lovato arrives at ARCADE Boutique's 'The Autumn Party' benefiting Children's Institute, Inc at The London West Hollywood Hotel on September 29, 2010 in West Hollywood, California. (Photo by Angela Weiss/WireImage)
HOLLYWOOD, CA - SEPTEMBER 23: Demi Lovato attends Padres Contra El Cancer 25th Anniversary Gala at Hollywood Palladium on September 23, 2010 in Hollywood, California (Photo by MIKE GARDNER/Patrick McMullan via Getty Images)
NEW YORK, NY - DECEMBER 09: Demi Lovato attends Z100's Jingle Ball 2011, presented by Aeropostale, at Madison Square Garden on December 9, 2011 in New York City. (Photo by Jim Spellman/WireImage for Clear Channel)
LAS VEGAS, NV - NOVEMBER 10: Singer/actress Demi Lovato arrives at the 12th annual Latin GRAMMY Awards at the Mandalay Bay Resort & Casino on November 10, 2011 in Las Vegas, Nevada. (Photo by Steven Lawton/FilmMagic)
NEW YORK, NY - OCTOBER 21: Singer Demi Lovato attends Z100's Jingle Ball '11 official kick off party at Aeropostale Times Square on October 21, 2011 in New York City. (Photo by D Dipasupil/Getty Images)
LOS ANGELES, CA - DECEMBER 20: Singer/tv personality Demi Lovato attends the season finale of Fox's 'The X Factor' at CBS Television City on December 20, 2012 in Los Angeles, California. (Photo by Barry King/FilmMagic)
LOS ANGELES, CA - DECEMBER 19: Actress/singer Demi Lovato arrives at Fox's "The X Factor" Season Finale Night 1 at CBS Television City on December 19, 2012 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - DECEMBER 16: Singer Demi Lovato arrives at the "VH1 Divas" 2012 at The Shrine Auditorium on December 16, 2012 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
LOS ANGELES, CA - SEPTEMBER 06: Demi Lovato performs outside the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)
UNIVERSAL CITY, CA - JULY 22: Actress/singer Demi Lovato arrives at the 2012 Teen Choice Awards at Gibson Amphitheatre on July 22, 2012 in Universal City, California. (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - JANUARY 11: Actress Demi Lovato arrives at the People's Choice Awards 2012 at Nokia Theatre LA Live on January 11, 2012 in Los Angeles, California. (Photo by Lester Cohen/WireImage)
HOLLYWOOD, CA - NOVEMBER 19: Actress Demi Lovato attends the premiere of Walt Disney Animation Studios' "Frozen"at the El Capitan Theatre on November 19, 2013 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
LOS ANGELES, CA - AUGUST 11: Singer Demi Lovato arrives at the Fox Teen Choice Awards 2013 held at the Gibson Amphitheatre on August 11, 2013 in Los Angeles, California. (Photo by FOX Image Collection via Getty Images)
MEXICO CITY, MEXICO - OCTOBER 10: Singer Demi Lovato attends the Glamour Magazine 15th Anniversary at Casino Del Bosque on October 10, 2013 in Mexico City, Mexico. (Photo by Victor Chavez/WireImage)
TORONTO, ON - JUNE 16: Demi Lovato arrives on the red carpet at the 2013 MuchMusic Video Awards at Bell Media Headquarters on June 16, 2013 in Toronto, Canada. (Photo by Jag Gundu/Getty Images)
INGLEWOOD, CA - AUGUST 24: Actress/singer Demi Lovato arrives at the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Gregg DeGuire/WireImage)
Demi Lovato attends the "Billboard Women in Music 2015" at Cipriani 42nd Street in New York City. �� LAN (Photo by Lars Niki/Corbis via Getty Images)
LOS ANGELES, CA - NOVEMBER 22: Recording artist Demi Lovato attends the 2015 American Music Awards red carpet arrivals sponsored by FIAT 500X at LA Live on November 22, 2015 in Los Angeles, California. (Photo by Michael Kovac/AMA2015/Getty Images for FIAT)
Demi Lovato at the 2015 We Day event in Toronto, Ontario (Photo by Michael Hurcomb/Corbis via Getty Images)
LOS ANGELES, CA - AUGUST 30: Singer/actress Demi Lovato attends the 2015 MTV Video Music Awards at Microsoft Theater on August 30, 2015 in Los Angeles, California. (Photo by John Shearer/Getty Images)
BEVERLY HILLS, CA - FEBRUARY 07: Singer Demi Lovato arrives at the Roc Nation Pre-GRAMMY Brunch on February 7, 2015 in Beverly Hills, California. (Photo by Valerie Macon/Getty Images)
LOS ANGELES, CA - NOVEMBER 14: Singer/Actress Demi Lovato attends Glamour Women Of The Year 2016 at NeueHouse Hollywood on November 14, 2016 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images for Glamour)
LAS VEGAS, NV - MAY 22: Recording artist Demi Lovato attends the 2016 Billboard Music Awards at T-Mobile Arena on May 22, 2016 in Las Vegas, Nevada. (Photo by Lester Cohen/BBMA2016/Getty Images for dcp)
CARSON, CA - MAY 14: Singer Demi Lovato attends KIIS FM's Wango Tango 2016 at StubHub Center on May 14, 2016 in Carson, California. (Photo by Alberto E. Rodriguez/Getty Images)
INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Demi Lovato attends the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Frazer Harrison/Getty Images for iHeartRadio / Turner)
BEVERLY HILLS, CALIFORNIA - APRIL 02: Honoree Demi Lovato attends the 27th Annual GLAAD Media Awards at the Beverly Hilton Hotel on April 2, 2016 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images for GLAAD)
LOS ANGELES, CA - FEBRUARY 15: Singer Demi Lovato attends The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - FEBRUARY 13: Actress Demi Lovato attends the 2016 MusiCares Person of the Year honoring Lionel Richie at the Los Angeles Convention Center on February 13, 2016 in Los Angeles, California. (Photo by Larry Busacca/Getty Images for NARAS)
LOS ANGELES, CA - FEBRUARY 12: Singer Demi Lovato arrives at the 59th GRAMMY Awards at the Staples Center on February 12, 2017 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
LOS ANGELES, CA - NOVEMBER 19: Demi Lovato attends the 2017 American Music Awards at Microsoft Theater on November 19, 2017 in Los Angeles, California. (Photo by Emma McIntyre/AMA2017/Getty Images for dcp)
BEVERLY HILLS, CA - FEBRUARY 26: Singer Demi Lovato arrives at the 2017 Vanity Fair Oscar Party Hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic)
LONDON, ENGLAND - NOVEMBER 12: Demi Lovato attends the MTV EMAs 2017 at The SSE Arena, Wembley on November 12, 2017 in London, England. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)
LOS ANGELES, CA - OCTOBER 23: Honoree Demi Lovato attends the Third Annual "InStyle Awards" presented by InStyle at The Getty Center on October 23, 2017 in Los Angeles, California. (Photo by Matt Winkelmeyer/Getty Images for InStyle)
LOS ANGELES, CA - OCTOBER 11: Demi Lovato arrives at the premiere of YouTube's "Demi Lovato: Simply Complicated" on October 11, 2017 at the Fonda Theatre in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
INGLEWOOD, CA - AUGUST 27: Singer/songwriter Demi Lovato during the 2017 MTV Video Music Awards at The Forum on August 27, 2017 in Inglewood, California. (Photo by Phil Faraone/MTV1617/Getty Images for MTV)
NEW YORK, NY - APRIL 25: Singer Demi Lovato attends the 2017 Time 100 Gala at Jazz at Lincoln Center on April 25, 2017 in New York City. (Photo by Dimitrios Kambouris/Getty Images for TIME)
CULVER CITY, CA - APRIL 01: Singer / Actress Demi Lovato attends the premiere of "Smurfs: The Lost Village" at ArcLight Cinemas on April 1, 2017 in Culver City, California. (Photo by Paul Archuleta/Getty Images for Fashion Media)
NEW YORK, NY - DECEMBER 08: Demi Lovato attends Z100's iHeartRadio Jingle Ball 2017 at Madison Square Garden on December 8, 2017 in New York City. (Photo by Roy Rochlin/FilmMagic)
LOS ANGELES, CA - DECEMBER 06: Singer Demi Lovato attends Refinery29 29Rooms Los Angeles: Turn It Into Art at ROW DTLA on December 6, 2017 in Los Angeles, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
INGLEWOOD, CA - DECEMBER 01: Singer Demi Lovato arrives at 102.7 KIIS FM's Jingle Ball 2017 at The Forum on December 1, 2017 in Inglewood, California. (Photo by Amanda Edwards/WireImage)
LAS VEGAS, NV - MAY 20: Demi Lovato arrives at the 2018 Billboard Music Awards at MGM Grand Garden Arena on May 20, 2018 in Las Vegas, Nevada. (Photo by Steve Granitz/WireImage)
PASO ROBLES, CA - JULY 22: Demi Lovato performs during the 2018 California Mid-State Fair on July 22, 2018 in Paso Robles, California. (Photo by C Flanigan/Getty Images)
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Demi first caught our attention in 2008 with the premiere of Disney Channel's original movie, "Camp Rock." Since then, she has grown to become a bonafide rockstar and an advocate for mental health.

In September 2019, she posted an unedited bikini photo on her Instagram that showed off her cellulite, revealing in the caption that posting it was one of her "biggest fears."

"I want this new chapter in my life to be about being authentic to who I am rather than trying to meet someone else’s standards. So here’s me, unashamed, unafraid and proud to own a body that has fought through so much and will continue to amaze me when I hopefully give birth one day," she wrote. 

While she also admitted on Instagram that she loves a cheetah print bikini, other styles Demi tends to gravitate towards are edgy pantsuits and curve-huggings gowns with plunging necklines.

One of our favorite ensembles worn by Demi is from 2017, when she stole the red carpet at the Grammy's in a gold see-through dress by Julien Macdonald. That same year, she also stunned at the Vanity Fair Oscar's after-party wearing a custom periwinkle princess-style gown by Monique Lhuillier

We can't wait to see what future chapters hold for Demi, but in the meantime, we're taking a look back at some of her past looks over years. Check out Demi Lovato's style transformation in the slideshow above and see some of her best Instagram moments from 2019 below.

17 PHOTOS
Demi Lovato on Instagram in 2019
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Demi Lovato on Instagram in 2019
No photoshop pls & thank u. Also big thanks to @izabelag4 & @maremareswimw for my new fav bikini... y’all know my thing for leopard print bikinis and now of course lime green 💚💚💚
This is my biggest fear. A photo of me in a bikini unedited. And guess what, it’s CELLULIT!!!! I’m just literally sooooo tired of being ashamed of my body, editing it (yes the other bikini pics were edited - and I hate that I did that but it’s the truth) so that others think I’m THEIR idea of what beautiful is, but it’s just not me. This is what I got. I want this new chapter in my life to be about being authentic to who I am rather than trying to meet someone else’s standards. So here’s me, unashamed, unafraid and proud to own a body that has fought through so much and will continue to amaze me when I hopefully give birth one day. It’s such a great feeling to be back in tv/film while not stressing myself with a strenuous workout schedule before 14 hour days, or depriving myself from a real birthday cake rather than opting for watermelon & whip cream with candles because I was terrified of REAL cake and was miserable on some crazy diet shit. Anyway, here’s me, RAW, REAL! And I love me. And you should love you too! Now back to the studio.. I’m working on an anthem.. 🙏🏼🙌🏼🤷🏻‍♀️ also. Just so everyone’s clear.. I’m not stoked on my appearance BUT I am appreciative of it and sometimes that’s the best I can do. I hope to inspire someone to appreciate their body today too. 💗 #nationalcelulliteday #celluLIT 🔥🔥🔥
Love this lewk 💖
Okay, last one before bed. They literally filmed/sang happy birthday twice and @scooterbraun STILL forgot to press record 😂 @arianagrande’s face is everything and this video is a perfect glimpse of how fucking happy and rad my birthday is this year. So so happy. And I love my new family. Thank you guys, love you 🙏🏼🙌🏼
Happy Pride!!! 🏳️‍🌈🎉🌈
I adora Bora Bora 💗 📸: @sirahsays 🌴
Hiiiiiiiee 👋🏼
Thanks @caesarspalace for the ride to @phvegas to see #theXperience.. definitely one for the books!!!
I couldn’t decide which one... so here’s both 🤷🏻‍♀️😝
Just left what’s possibly my favorite place on Earth with my best friends. Bora Bora is literal heaven on Earth.. I may be posting a lot of pics in the next few days.. I’m sorry in advance 😂
And it was all yellow 💛✨
With the super talented and gorge @kimpetras 💖💖💖 I stan so hard for this bitch!!
Dog lady 🐶💖
This is for you Mimaw. You at 26 on my arm while I’m 26, and forever. I love you more. ❤️ Thank you @_dr_woo_ for making her come back to life for me.. it’s stunning and the most meaningful tattoo I have ever gotten. 🙏🏼🙌🏼
Idk what to caption this.. reality is I’m sitting at the gym post jiu jitsu feeling high on life and drinking my post workout shake. I’m sweaty and not looking this glamorous right now but fuck I feel awesome and posting this feels empowering because I like this pic where I feel sexy and I can also defend myself from anyone that ever tries to attack me. Any size, any shape, any gender. I have security but in the moments I’m alone I feel confident (no pun intended) that I can hold my own against an attacker and hope everyone finds something they become as passionate about as I feel about jiu jitsu. #BJJ #BlueBelt #HowDidThisEndUpBeingAboutBJJ 💙
Here’s a basic bitch bathroom selfie 🤷🏻‍♀️
Last day as 26 🖤
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