Prince William says it was a "balancing act" for himself and his wife to share details of the family's recent health challenges, including Catherine's and King Charles's cancer diagnoses.

In a rare and candid interview in Brazil, the prince said that "hiding stuff from them doesn't work".

He was responding to a question about how the couple had approached difficult moments with their three children — Prince George, 12, Princess Charlotte, 10, and Prince Louis, seven.

Earlier this year Princess Catherine said her cancer treatment was "like a roller-coaster" , after revealing in January she was in remission.

Princess Catherine reveals more details of cancer experience during hospital visit

Catherine, the Princess of Wales, discusses her experience undergoing chemotherapy and resuming

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