Demi Lovato Performs 'Cool For The Summer' With An All-Female Band On 'The Voice' Australia

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 Demi Lovato performs during the 2015 DigiFest NYC at Citi Field on June 6, 2015 in New York City.

Demi Lovato proved she's basically the face of the term "girl power" over the weekend when she performed her hit "Cool For The Summer" with an all-female backing band on The Voice Australia.

The 22-year-old singer was joined by a six-piece band of girls, all rocking a very colorful 80s-inspired wardrobe complete with fur coats and hot pants. Lovato nailed her vocals as the rest of the girls jammed on electric guitars, a keyboard, and drums.

After her performance, Lovato posted a picture on Instagram with the star-studded panel of Voice Australia coaches, including Jessie J, The Madden Brothers and Ricky Martin.

"Cool For The Summer" has been heating up on the Hot 100, breaking the top 20 at No. 19 in its fifth week on the chart.