Kate Middleton and Prince William Wear Poppy Pins for Remembrance Day.

The Prince and Princess of Wales attended the annual event at London's Royal Albert Hall with other royals.

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Kate Middleton and Prince William participated in a Remembrance Sunday tradition commemorating British veterans.

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The Prince and Princess of Wales, both 40, attended the Festival of Remembrance at Royal Albert Hall in London on Saturday.

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King Charles, Queen Camilla, Prince Edward, and Sophie, Countess of Wessex attended the Festival of Remembrance.

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The Duke and Duchess of Gloucester, Princess Alexandra, and Princess Anne.

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Kate Middleton Gives 3-Year-Old Boy Her Poppy Pin!

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Men wore suits, ladies black. Since 1921, all wore red poppy pins to honor war dead.

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