Hes still invincible, usain bolt the fastest man alive, usain bolt makes history on the track. And golden girl simone biles does what no American Woman has done before. And there it is. Winning the firstever u. S. Gold medal in the vault. Three golds so far for the worlds greatest gymnast. Now, the final five telling amy all about their showstopping performance. Were live in rio for the historymaking action at the olympics. All we are the final five. Announcer live in times square and rio de janeiro, this is Good Morning America. We do say good morning, america, and it is great to have amy back home. Thank you. Its good to be back. Simone biles again, winning her third gold medal. And i sat down with them and they are just so ready to do this. They have been preparing for this moment from the very beginning and theyre excited. Theyre not nervous. And, amy, as you told us she was already being called the greatest ever even before the olympics got started and she has proven why now and s