Kate's - FINDING THE Light

IN a sun-dappled video released Sept. 9, the Prince and Princess of Wales cuddle and frolic with their three kids, Prince George, 11, Princess Charlotte, 9, and 6-year-old Prince Louis, in the countryside near their Norfolk, England, home and even engage in some very non-royal PDA.

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Princess Kate, seen walking alone in golden light as a dreamy soundtrack plays, narrates the clip, meant to announce that she has completed chemotherapy for her undisclosed cancer. As the three-minute minifilm concludes, watching a butterfly flutter from her palm, Kate extends her thoughts to others facing cancer. “I remain with you, side by side, hand in hand,” the 42-year-old says. “Out of darkness can come light, so let that light shine bright.”

It was an unprecedented move for the future king and queen, who have been fiercely private since announcing Kate’s diagnosis in March. But a source tells