Sinead to Miley: Put your clothes on

Miley Cyrus became a household name for families when her Disney Channel television show, "Hannah Montana," premiered in 2006. Cyrus, now 20, quickly rose to pop star fame and has been changing her appearance ever since. Here the singer attends a July 12 event in Los Angeles.Miley Cyrus became a household name for families when her Disney Channel television show, "Hannah Montana," premiered in 2006. Cyrus, now 20, quickly rose to pop star fame and has been changing her appearance ever since. Here the singer attends a July 12 event in Los Angeles.
The future pop star with her father, Billy Ray Cyrus, in October 1994 in Memphis, Tennessee.The future pop star with her father, Billy Ray Cyrus, in October 1994 in Memphis, Tennessee.
The father and daughter team make a New York appearance for the Disney Channel in February 2006.The father and daughter team make a New York appearance for the Disney Channel in February 2006.
Cyrus performs during the Radio Disney Totally 10 Birthday Concert in July 2006 in Anaheim, California.Cyrus performs during the Radio Disney Totally 10 Birthday Concert in July 2006 in Anaheim, California.
Cyrus appears at the 2007 American Music Awards in Los Angeles.Cyrus appears at the 2007 American Music Awards in Los Angeles.
Cyrus arrives at a film premiere in Hollywood in January 2008.Cyrus arrives at a film premiere in Hollywood in January 2008.
Cyrus performs for ABC's "Good Morning America" at New York's Bryant Park in July 2008.Cyrus performs for ABC's "Good Morning America" at New York's Bryant Park in July 2008.
Cyrus appears at the Nickelodeon Kids' Choice Awards in Westwood, California, in 2009.Cyrus appears at the Nickelodeon Kids' Choice Awards in Westwood, California, in 2009.
Cyrus and her mother, Tish Cyrus, at the 52nd Annual Grammy Awards in January 2010 in Los Angeles.Cyrus and her mother, Tish Cyrus, at the 52nd Annual Grammy Awards in January 2010 in Los Angeles.
Cyrus performs at a music festival in June 2010 in Arganda del Rey, Spain.Cyrus performs at a music festival in June 2010 in Arganda del Rey, Spain.
The singer arrives at the 2012 Billboard Music Awards in Las Vegas in May 2012.The singer arrives at the 2012 Billboard Music Awards in Las Vegas in May 2012.
The grown-up Cyrus performs during the "VH1 Divas" concert in Los Angeles in December.The grown-up Cyrus performs during the "VH1 Divas" concert in Los Angeles in December.
Cyrus shows off her moves with Robin Thicke during the 2013 MTV Video Music Awards in Brooklyn, New York, on Sunday, August 25.Cyrus shows off her moves with Robin Thicke during the 2013 MTV Video Music Awards in Brooklyn, New York, on Sunday, August 25.
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  • NEW: Cyrus responds, references O'Connor's past struggles with mental illness
  • You're sending a bad message and hurting yourself, O'Connor warns Cyrus
  • "I am extremely concerned for you," O'Connor writes in letter to the former Disney star
  • The music industry just wants to make money off Cyrus' youth and beauty, she says

(CNN) -- Stop stripping. Stop letting yourself be "pimped." And for heaven's sake, stop licking sledgehammers, Miley.

That's the advice from Irish singer Sinead O'Connor, who's penned a motherly, if expletive-laden open letter to former Disney star Miley Cyrus in the wake of a controversial video music awards show performance and the video for her latest single, "Wrecking Ball."

"Nothing but harm will come in the long run, from allowing yourself to be exploited, and it is absolutely NOT in ANY way an empowerment of yourself or any other young women, for you to send across the message that you are to be valued (even by you) more for your sexual appeal than your obvious talent," the 46-year-old singer says in the letter posted on her official website.

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Cyrus, 20, was the subject of widespread scorn in August, when she danced provocatively in a skimpy outfit during MTV's Video Music Awards show. Soon after, she released the video for her latest single, in which she rides a wrecking ball while nude and suggestively licks a sledgehammer.

Gauging reaction to Sinead O'Connor's open letter to Miley Cyrus

"I am extremely concerned for you that those around you have led you to believe, or encouraged you in your own belief, that it is in any way 'cool' to be naked and licking sledgehammers in your videos," O'Connor wrote. "It is in fact the case that you will obscure your talent by allowing yourself to be pimped, whether it's the music business or yourself doing the pimping."

In a Rolling Stone article, Cyrus compared her look in the "Wrecking Ball" video to O'Connor's style in her iconic 1990 video for "Nothing Compares 2 U." But O'Connor said she chose the shaved-head look in direct defiance of music industry executives who wanted her to present a sexier appearance.

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She said the music industry doesn't care much about Cyrus.

"They will prostitute you for all you are worth, and cleverly make you think it's what YOU wanted," she said.

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While Cyrus hasn't directly commented on the letter, she appeared to respond Thursday with a pair of tweets. One made apparent references to O'Connor's previous struggles with mental illness, and the other showed a picture of O'Connor tearing up a picture of Pope John Paul II in 1992.

O'Connor was in the news in 2011, when her online efforts to find a "sweet sex-starved man" went viral.

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CNN.com - Entertainment