In EWs column Act With Me, stars share their personal stories about giving back.

WHY I TOOK ACTIONCancer touched Kordei at a young age.

When she was only 5, her mother was diagnosed with breast cancer.

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Credit: American Cancer Society

It was really, really tough seeing her go through that, Kordei recalls.

Though her mom is a healthy survivor now, the 21-year-old feels a responsibility to use her pop-star platform.

Its my opportunity and my duty, she says.

It didnt feel like a hospital.

They really created such a special place for the patients it feels like home.

Kordeis current involvement as an ambassador includes hospital visits.