Transcript for Robert Downey Jr. sends special message to teen shark attack victim
Reporter: But the world wanted to know more about her including a couple of high-profile celebrity fans. Oh, my gosh. Who had to surprise her with these video messages like Adam lambert. I wanted to give you a big shout Ute. He's my favorite male singer. I love Adam lambert. Reporter: And iron man himself. Miss winter. Robert Downey Jr. With a special request. Because of your interest in sustainability and press sker Vegas of our ohs and marine life I want to see if you would join my footprint coalition and be my North Carolina ambassador. Awesome. You know, I have a phrase -- I've gone through health challenges and people say, E.O. You're a survivor and I -- I'm a thriver. You are a thriver. I'm a thriver, I like that. I don't want to survive going through -- you don't -- I want to thrive. I'm trying to thrive. I feel that, I like that. What has been the most difficult time? It's tough. I'm 17, you know, being stuck in a hospital bed all day, not really able to do all the things I used to do. Not having a leg. It's really tough not to be able to help yourself feel better. I'm going to be okay. I'll do all that stuff again. They'll fit me for a prosthetic. I'm still paigy, just a little different. Got some pieces of the puzzle missing. It's okay. Shark didn't touch your spirit? It did not. It did not. I'm telling you and she and her father are so thankful to so many people, you know, there on the beach. Her father fought off the shark, brought her back to shore. He was spent. Wiped out. There were so many people there on the beach that were helping out and they needed to stop the bleeding and needed a tourniquet there just happened to be somebody passing by on with a belt. Who has -- the fact they could get her so quickly to a trauma center in that region and people often talk about the need for these types of centers, these trauma centers in rush areas like that and that trauma center there, there were so many angels that were watching over her. Everything she went through, her spirit like her dad, you could see he's replaying it and taking it so much differently than she is but as you said her spirit is what's driving him and driving me. I'm watching that thinking about my kids. I know you were. And trying not to lose it. There are some people asking, was she just doing that on camera? Is she -- I'm telling you, I talked to her doctors, her nurses, so many people and her mother and father and said this is Paige. This is who she is and she really wants to get the message out to people you have to keep hope. Paige, if you're watch this morning, you have really moved all of us here in the studio. Robert Downey Jr., had a picture of him in her hospital room. That's how much she likes him. So our thanks to Adam and Robert. You can see much more of our interview with Paige tonltsz on "Nightline." Much more from her and her dad. Look forward to that.
This transcript has been automatically generated and may not be 100% accurate.