stage at the espys right here on abc to accept the arthur ashe courage award. >> it's been eye-opening, inspiring, but also frightening. all across this country, right now, all across the world at this very moment, there are young people coming to terms with being transgender. >> reporter: with help from angelina jolie's stylist, jenner sparkled in a stunning versace dress, a stark contrast to bruce jenner the athlete we've known for decades. the chiseled sportsman with the all-american good looks setting a world record in the grueling decathlon in the 1976 olympics. perhaps the most emotional moment in her speech when caitlyn thanked her children. >> i always wanted my children to be so proud of their dad, what he was able to accomplish in his life. you guys have given so much back to me. you've given me so much support. i am so so grateful to have all