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Britain's Kate, he Duchess of Cambridge smiles during a visit with Prince William, to Bute Mills in Luton, England, Wednesday, Aug. 24, 2016. The royal couple toured national youth charity Youthscape's facility and then met CHUMS, a mental and emotional wellbeing service for children and young people. (AP Photo/Eddie Mulholland, Pool)

Royals William and Kate in Singapore

Britain's Prince William and his wife Catherine arrive in Singapore Tuesday, kicking off a nine-day Southeast Asian and Pacific tour marking Queen

Elizabeth II's Diamond Jubilee.