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Kate Middleton has become the Princess of Wales after marrying Prince William.

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Queen Elizabeth II approved of Kate's relationship with Prince William because they were friends before he was a prince.

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Kate has a reputation for being well-respected and popular with the public.

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Kate has self-discipline and has dedicated herself to her royal duties.

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Kate and Prince William have been married for almost 12 years and together for over 20 years.

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Kate was silent in her mourning after Queen Elizabeth II's death and let her presence speak for itself.

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Kate wore the queen's quadruple-strand pearl choker to accessorize her mourning dress at the queen's funeral.

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Kate has taken on more royal duties and has become more visible in the public eye.

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Kate has stepped up to support Prince William in his role as the new Prince of Wales.

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Kate has taken on additional charitable causes and has become more involved in philanthropy.

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Kate has continued to balance her royal duties with her role as a mother to her three children.

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Kate has focused on mental health and has worked to destigmatize seeking help for mental health issues.

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Kate has continued to dress fashionably and has been praised for her style.

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Kate has maintained a close relationship with her family and often involves them in her royal duties.

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Kate has been described as having a "normalizing effect" on the royal family and has helped to modernize the monarchy.