P!nk is the latest celebrity to become a UNICEF ambassador.

The singer will promote issues relating to children's health for the organisation.

She will act as a spokesperson for its new offshoot Kid Power, which aims to make children live healthier lives.

The mother of two told People: "The fire was lit, obviously, because I'm a mama.

"Statistically, one in four kids in the U.S. are inactive. And I'm all about fitness and health and positivity. One in four kids, globally, are malnourished. So UNICEF has found a way, with Kid Power, to combat both problems at the same time.

"You're getting kids super motivated to move their feet, and you're also creating, global citizens, where they care, and they're able to help other kids around the world."

In July P!nk visited a health centre in Haiti for UNICEF.

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Watch P!nk in action below: