
Mark your calendars for November 22, guys! The 2015 American Music Awards are on the way. Jennifer Lopez will host the star-studded event at the Microsoft Theater in Los Angeles, California. That's enough to get our attention, but have you even considered the performances?
It has just been announced that Demi Lovato, Nick Jonas and Walk the Moon will take the stage and we couldn't be more stoked.
The best part? It means they're joining One Direction (who've promised to perform this latest single, "Perfect,") 5 Seconds of Summer, Selena Gomez and Carrie Underwood. If only we could convince them all to perform together.
While you count down the days, check out our gallery of 31 freakishly fantastic celeb Halloween costumes.
Demi Lovato Hair Evolution: From Disney To Diva
'Tell Me You Love Me'? More like let us tell you how much we love your hair, Demi. Check out all of Demi's fearless haircuts and looks as they've transformed from black to blonde to blue to pink and back again
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September 2010
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August 2011
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December 2011
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January 2012
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March 2012
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June 2012
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May 2012
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July 2012
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July 2012
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November 2012
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December 2012
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December 2012
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December 2012
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February 2013
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April 2013
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May 2013
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August 2013
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September 2013
Most recently, Demi surprised everyone watching Tonight Show with Jay Leno when she took the stage with brand new electric blue locks! Girl, you keep us all on our toes.
more »Stacie McChesney/NBC/Getty Images

December 2013
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December 2013
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January 2014
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February 2014
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May 2014
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August 2014
Demi went short and brunette when she stopped by Good Morning America's Summer Series.
more »Fred Lee/ABC via Getty Images

July 2015
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February 2016
By the following winter, Demi again had long, dark locks with a side part.
more »John Shearer/WireImage

October 2016
Demi Lovato surprises her Mexico City fans in Fall 2016 by suddenly going blonde again and styling her long locks in a loose side braid.
more »Daniel Cardenas/Anadolu Agency/Getty Images

March 2017
By March of 2017, Lovato was back to chestnut tresses with a stylish soft waved lob for a Gala at the Beverly Hilton Hotel in Beverly Hills, California.
more »Jason LaVeris/FilmMagic

August 2017
Waist length, french braided pigtails complement Demi Lovato's cool girl biker attire for her appearance on Good Morning America in August of 2017.
more »Theo Wargo/Getty Images

August 2017
For the 2017 VMAs, Demi went for a full-on mane by rocking long brown hair with a highlighted vibe.
more »Frazer Harrison/Getty Images

October 2017
Long, sleek highlights with a centered topknot is how Demi Lovato presented herself on a fall day in New York City.
more »Gotham/GC Images

October 2017
At the YouTube premiere of her Demi Lovato: Simply Complicated documentary, the star opted for a simple, yet complicated long, glamorous braid.
more »Emma McIntyre/Getty Images
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