Transcript for Catching Up With 'Yes, Virginia' Make-A-Wish Girl
All season long we're celebrating Macy's annual believe campaign helping bring joy to children with life-threatening medical conditions. Macy's will donate $1 up to 1 million to make-a-wish for every stamped letter to Santa you drop off at one of these special believe boxes at Macy's. Or submit online. We want to introduce you to a brave young woman whose wish was to lend a voice to a special animated holiday story, Reena ninan has it for you. Reporter: 'Tis the season to believe and when it comes to believing, 17-year-old Taylor hay is an expert. Eight years ago at the ages of 9 she was diagnosed with non-hodgkins lymphoblastic lymphoma. I had allergic reactions and hospitalized five weeks straight. Reporter: Difficult though the time was it cemented in her a deep sense of faith. Having plaintiff and faith is so important and just to believe everything is going to get better. Reporter: It was only appropriate then when Taylor and an aspiring child actress was given a chance to have a wish granted she asked to voice a role in the holiday special "Yes, Virginia," the story of a little girl and the importance of believing in Santa Claus. Where have you been. Went to see Santa. Reporter: Taylor voiced Taylor, a character named after and made to look just like her. She's so much fun. She's so bubbly and so energetic. Santa brought me a train set. He brought mow a dollhouse. I got a bow and arrow. It was a blast to be able to voice her. Reporter: For Taylor and her mother the making of "Yes, Virginia" is just what the doctor ordered. It meant everything to her which of course meant everything to me to see my daughter doing what she loved. Reporter: Today Taylor is cancer-free, a full time college student and proof positive of the power and importance of believing. I wouldn't change my wish for the world. Reporter: For "Good morning America," Reena ninan, ABC news, New York. That is great and you can hear Taylor on "Yes, Virginia" on ABC, 8:30, 7:30 central and if you want to help grant a wish drop a letter at your local macy's's in the box or submit one online. Go to our website to find out more.
This transcript has been automatically generated and may not be 100% accurate.