Dolly Parton helped unveil the newly-added Hannah Dennison Butterfly Garden at Vanderbilt Children's Hospital honoring her niece.

Hannah Dennison, Dolly's niece, was diagnosed with leukemia as a child and received treatment at Vanderbilt Children's Hospital. Today she is a beautiful example of hope and inspiration and recently celebrated her 30th birthday. Dolly calls Hannah her "chemo hero" and wrote and recorded a song of the same name on her "I Believe In You" children's album.

On Thursday, May 17, Dolly donated $1 million to Monroe Carell Jr. Children's Hospital at Vanderbilt and helped unveil the Hannah Dennison Butterfly Garden honoring her niece. Dolly said,

"Twenty-six years ago was when Hannah was diagnosed with leukemia and for five years, we didn't know if we would be keeping her or not but Hannah now stands here as our chemo hero and she actually shows us all that miracles do happen."

Listen to a preview of, "Chemo Hero" from Dolly's "I Believe In You" children's album which benefits Dolly Parton

Photo Credit: John Russell