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Madonna receives mixed reviews after showing her nipple during a concert

Madonna shocks crowd of 55,000 by showing off her right breast

Madonna has caused an outrage by purposefully exposing her right breast while performing in Istanbul over the weekend. Many fans and foes say it is inappropriate for a 53-year-old woman to expose her breast.

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On Thursday, the singer shocked when she exposed her right breast to an audience of over 55,000 people during a performance of Human Nature at the Turk Telecom Arena in Istanbul.

Piers Morgan even wrote on Twitter: "Most embarrassing, cringe-worthy, desperate moment in the history of music?"

Some fans have been more sympathetic, like Hollywood actress Christina Applegate, who commented: "Reading twitter this am and there r all these tweets about Madonna and her nipple flash. And we are shocked because...? What I'm saying is. Its not like Sarah Palin had a nip slip, its Madonna."

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