Singer Madonna performs on stage at Olympic Stadium on August 18,...

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

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Johannes Simon

Madonna performs as part of the "Sticky and Sweet" tour at Olympi...

Getty Images Collection.

58127395 Download

Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

58126865 Download

Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

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Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

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Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

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Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

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Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

58126853 Download

Johannes Simon

Singer Madonna performs on stage at Olympic Stadium on August 18,...

Getty Images Collection.

58126857 Download

Johannes Simon