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Camilla, the Duchess of Cornwall (7th L), President of WOW, poses for a photograph with guests following a reception for the Women of the World Festival (WOW) at Clarence House, in central London on March 9, 2016. Women of the World Festival (WOW) is the largest women's festival in the world with events involving one million people across five continents. The festival begins on International Women's Day, Tuesday 8 March, and runs until Sunday 13 March. / AFP / POOL / LEON NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)

Camilla, the Duchess of Cornwall (7th L), President of WOW, poses for a photograph with guests following a reception for the Women of the World Festival (WOW) at Clarence House, in central London on March 9, 2016.

Women of the World Festival (WOW) is the largest women's festival in the world with events involving one million people across five continents. The festival begins on International Women's Day, Tuesday 8 March, and runs until Sunday 13 March. / AFP / POOL / LEON NEAL        (Photo credit should read LEON NEAL/AFP/Getty Images)