it maybe fraktous, it maybe but never boring. history is made here. the role call that formally awarded their father the hard earned prize. >> it is any honor to be able to throw donald trump over the top tonight with 89 delegates and another 6 for john kasich. congratulations, dad, we love you! >> everybody knows the song and they're on their feet here. it is now official. donald j. trump, a businessman with zero prior political experience, has now officially won the nominee for president of the republican party, which he will accept right here in this room on thursday night. trump later appear bid video in the hall. >> today has been a very, very special day. watching my children put me over the top earlier, the party seal, doing what we did, getting the party's nominee. i will never forget it. it is something i will never, ever forget. >> during the celebrations after he clinched the nominations, what many saw as a telling moment, three of their siblings hugs, awkwardly left out, tiffany. hours later, tiffany, a 22-year-old who we have not always h