'Sound of Change' in London (12 images)

Celebrities attend the "Sound of Change" charity event at Twickenham Stadium in London on June 1, 2013. UPI/ Rune Hellestad

American singer John Legend performs at the "Sound of Change" charity event at Twickenham Stadium in London on June 1, 2013. UPI/ Rune Hellestad

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American singer Madonna appears at the "Sound of Change" charity event at Twickenham Stadium in London on June 1, 2013. UPI/ Rune Hellestad

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American actress Jada Pinkett Smith appears at the "Sound of Change" charity event at Twickenham Stadium in London on June 1, 2013. UPI/ Rune Hellestad

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American actress Blake Lively appears at the "Sound of Change" charity event at Twickenham Stadium in London on June 1, 2013. UPI/ Rune Hellestad

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