At just 19 years old — she celebrates her big 2-0 on August 20 — Demi Lovato has gone through enough hair changes to last ... she’s been experimenting with rainbow, candy-colored highlights.

From dark brown to bright blonde, Demi has rocked hair all colors of the rainbow. 'The X Factor' judge ... she has to say about the haters! Demi Lovato, 20, continues to debut new hair colors ...

Demi Lovato is no stranger to changing up her hair. She’s gone from a chic bob ... Lovato has tried pretty much every shade of the rainbow, including blue, pink, purple, and red, and she ...

Demi Lovato dyed her hair green, and the singer's dramatic new ... The singer has also been almost every shade of the rainbow. Here are some of her most iconic, colorful looks.

This treat is courtesy of Demi Lovato and her brunette bob ... but let us not forget when she used to dye her hair all the colors of the rainbow.

The singer says she's sticking with her most recent choice in hair color Bauer-Griffin If it ain’t broke, don’t fix it: that’s Demi Lovato ... about her recent rainbow of hair colors.

Demi Lovato is not afraid of a full face ... Thoughts on "unicorn" hair: "I've tried every hair color. I think my favorite has been the blonde with the pink." Getty Images Beauty trend she ...

After painting her hair a rainbow of colours from pink to blue to green, Demi Lovato has gone dark again with a return to her roots. And, as is the norm in celeb world, she snapped it on Instagram ...

Demi Lovato is sporting a bright new 'do ... The "Cool for the Summer" singer has occasionally debuted bold hairstyles and new hair colors over the years. Back in 2021 and 2021, she showcased ...

After rocking blond locks for a couple of months, Demi Lovato just debuted a new ... The fashionista has dyed her hair most colors of the rainbow, going red on several occasions.