Demi Lovato’s Punk Hairstyle & 3 Mini Buns at iHeartRadio Music Festival

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Demi Lovato channeled her inner punk as she kicked off the 2015 iHeartRadio Music Festival at the MGM Grand Garden Arena in Las Vegas.

She struck a fierce pose on the red carpet in an edgy gray minidress. After her red carpet photo shoot, the singer rocked the MGM stage with her hit single “Cool for the Summer” clad in a sequined bodysuit, a cropped fur jacket, fishnets and a pair of boots.

Demi Lovato shows off her ’90s punk hairstyle with three mini buns on top of her head at the 2015 iHeartRadio Music FestivalDemi Lovato shows off her ’90s punk hairstyle with three mini buns on top of her head at the 2015 iHeartRadio Music Festival held at the MGM Grand Garden Arena in Las Vegas on September 18, 2015

She also sang “Really Don’t Care,” and performed a surprise duet — the ’90s hit “Jumper” — with Third Eye Blind’s lead singer, Stephan Jenkins.

Demi Lovato poses in front of a branded backdrop, showing off her cleavage in an edgy gray minidressDemi Lovato poses in front of a branded backdrop, showing off her cleavage in an edgy gray minidress

The 23-year-old singer gave a peek at her cleavage in the tiny low-cut frock with zips and studs that accentuated her waist.

Demi Lovato poses with her hands on her hips at the iHeartRadio Music FestivalDemi Lovato poses with her hands on her hips at the iHeartRadio Music Festival

The American singer styled the outfit with silver jewelry, including a pair of stud earrings, a few bangles, and a ring, and drew further attention to her shapely legs with a sexy pair of black sandals.

Demi Lovato flirts with the camera on the red carpetDemi Lovato flirts with the camera on the red carpet

She stayed true to the theme of her look with black nail polish, a ’90s punk hairstyle with three mini buns on top of her head, and smoky eye shadow.

Demi Lovato shows off her feet in Giuseppe Zanotti sandalsDemi Lovato shows off her feet in Giuseppe Zanotti sandals on the red carpet

Demi wore a pair of suede fabric sandals from Giuseppe Zanotti. These stilettos feature cutout vamps, peep toes, double adjustable ankle straps, 2.5-inch platforms, and six-inch covered stiletto heels.

Demi Lovato's foot tattoos in black Giuseppe Zanotti sandalsDemi Lovato’s foot tattoos in black Giuseppe Zanotti sandals

These Giuseppe Zanotti heels are available at Farfetch and Bergdorf Goodman.

Giuseppe Zanotti Suede Cutout Platform Sandals, $1,115

Giuseppe Zanotti Suede Cutout Platform Sandals

Credit: Judy Eddy / DJDM / WENN