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Miley Cyrus, Instagram

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Oops?

Miley Cyrus is a longtime lover of racy selfies, as evidenced by her Instagram page, so it came as no surprise when on Saturday, she debuted a semi-topless look ahead of the Rock and Roll Hall of Fame Induction ceremony in Cleveland. There, she is set to induct '80s group Joan Jett and the Blackhearts. Which is perfect, as the group known for songs such as the rebel anthem "Bad Reputation" (the Freaks and Geeks theme song).

In her latest selfie, the 22-year-old pop star flips the bird and sports magenta heart-shaped nipple pasties on her breasts, which peak through a short, black leather backward-sytle overall mini dress, each containing the letter J.

"Joan's cheerleader," Cyrus wrote alongside the photo, which was liked more than 209,000 times.

However, something else captured the attention of scores of Instagram users.

"You forgot to shave under your arm," someone wrote. "Ew, that's disgusting!"

"Nice #armpithair," someone wrote.

Sporting shaved armpits is a cultural norm for women in the United States, where Cyrus is from, while some prefer to go au naturalScout Willis, the 23-year-old daughter of Bruce Willis and Demi Mooreshowed underarm hair (and more) at an event in London in February. And Madonna showcased her own unshaven armpit in a selfie last month.

"It's body hair," another person wrote in response to Cyrus' post. "We all have it, deal with it."

Joan Jett and the Blackhearts are let by iconic rocker Joan Jett, who Kristen Stewart had played in the 2010 movie The Runaways. The band joins fellow inductees such as Green Day and former Beatles drummer Ringo Starr, as well as late music stars Lou Reed and Stevie Ray Vaughan.

At the Rock and Roll Hall of Fame, as seen in another Instagram pic, Cyrus appeared to be very pleased with her dressing room.

"4 f--king 20," she said.

A photo posted by Miley Cyrus (@mileycyrus) on

Yeah right.

A photo posted by Miley Cyrus (@mileycyrus) on