Princes William and Harry and the Duchess of Cambridge talk about mental health in a video released Friday, April 21, 2017.

Princes William and Harry and the Duchess of Cambridge talk about mental health in a video released Friday, April 21, 2017.

Stories this photo appears in:

Tease photo

Britain's Young Royals Open Up About Mental Health

It is rare for the Duchess of Cambridge, wife of Prince William, to speak candidly on film. But in a video released Friday, Kate talks openly with her husband and Prince Harry about mental health and the importance of discussing mental wellbeing.