Royal treat: Chinese First Lady Peng Liyuan, Kate Middleton

China's first lady, Peng Liyuan and Kate, the Duchess of Cambridge, stand under umbrellas at Lancaster House in London. (AP)

Chinese President Xi Jinping is on a four day visit to Britain. (AP)

Prince William, right, and Kate, the Duchess of Cambridge, greet China's President Xi Jinping, centre left and his wife, Peng Liyuan, at Lancaster House. (AP)

Chinese President Xi Jinping is on a four-day State Visit to Britain. (AP)

Chinese President Xi Jinping, is accompanied by his wife Peng Liyuan and Britain's Prince William and his wife, Kate, Duchess of Cambridge, as they walk past a London bus. (AP)

(AFP)

(AFP)

Chinese President Xi Jinping , his wife his wife Peng Liyuan and Catherine, Duchess of Cambridge, meet with Chinese actor Jackie Chan at Lancaster House in London. (AFP)

Prince William, Chinese President Xi Jinping and his wife Peng Liyuan view an Aston Martin DB10 sports car as they arrive at Lancaster House in London. (AFP)

Duchess of Cambridge (R), greets Chinese First Lady Peng Liyuan. (AFP)

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