Transcript for Olympian Gabby Douglas Discusses Her Mission to End Bullying  for winning olympic gold but she's also become the target of online bullying at the Rio games but nowen a mission to help others facing the same challenge. Take a look. She's the three-time olympic gold medalist shooting to stardom in London and returning to the mats for the Rio summer games as a member of the final five. Women's gymnastics team. Double layout. But for 20-year-old gabby Douglas the price of fame has not always been golden. 70% of young people age 18 to 24 experience online bullying. Uh-huh. Which seems like such a high number. Tell us about your own experience with that. My first real experience was this past olympics in Rio and I got the brunt of it and I was like caught off guard. I was like, wait, what's going on. I wasn't on social media because of olympic trials. When I placed seventh and only top five and picked me. I got a lot of flack for that and started googling myself which I probably shouldn't have done and so many things about me and I'm like, really. Like -- oh, my gosh. I was so hurt because people brought up, you know, my past and, you know, all the things that I did wrong and I was like, really? Why are people making such a big deal about it and it was just like lies and I was very hurt. I want to congratulate you, though. Thank you. Because you didn't just take it but doing something about it. Exactly. You're now the first change ambassador for hack harassment which is about reducing online harassment. What inspired you to get involved with that. Was it your past experiences. Yeah, when I got back from Rio I didn't want to just keep talking about it and hashing it out but wanted to do something about it and sat down with, you know, a couple and it's part of lady gaga's born this way foundation and I've seen a lot of things that she's done and also inspired to do the same things and I'll go to campus, sit down with these kid, be personal, be real. I've been there and you can overcome this. I overcame this and you can do it. Even though it may seem like the world is against you and I definitely felt like the world was definitely against me in Rio, but I'm here today to tell you that's not the case. There are people out there who love you. A lot of these young people, they will see you and they will think, everything is perfect. And for you to come forward and say, hey, there's a problem here. There's an issue, that doesn't just affect you but everybody is powerful. It's a really big thing. It's not right. Not right. And we've watched her grow up over the course of the last few olympics and what a nice young lady. To see her go through this, I think it will help those who are going through it and maybe it will help some youngster who is thinking about this think twice. Good for her. If you don't have something nice to say don't say anything.  This transcript has been automatically generated and may not be 100% accurate.
"GMA" anchor Michael Strahan sits down with the Olympic gold medalist as she opens up for the first time about the extreme cyberbullying she faced earlier this year.