dottie here. she's 4 years old and been waiting for this day for such a long time. >> princess dottie. >> look at her smile. >> she's so sweet. >> late last year she was diagnosed with berket lymphoma that spread to her chest. she ended up having ten blood transfusions. as much as cancer sucks, when you hear stories of 3 and 4-year-olds going through it, it is ten times worse. >> yeah, but her mom says incredibly, she never lost her smile. even as she was losing her hair. >> um, is this for a good reason, i'm hoping? >> she was finally able to ring that bell of being cancer-free. the hospital where she was being treated heard that she wanted to spend a day as a princess, so they reached out to this foundation set up by owen's parents in his memory. we get to see her turn into a beautiful princess. >> oh, cool! >> well, can you really be a princess without a carriage? >> no, but they went all out. they went extra steps. >> oh, yeah. they put her on the carriage, they had also set up a funding page. instead of using the money for this purpose, the foundation is going to take care of this, so they w