for decades, this is how the world knew bruce jenner as the olympic gold medal decathlete and father on e's keeping up with the kardashians." >> i should probably be on the golf course. >> in this behind the scenes video from the photo shoot on youtube, it appears bruce has vanished. >> bruce always had to tell a lie. he was always living that lie. caitlyn doesn't have any secrets. >> it's caitlyn's life now detailed on wikipedia, quickly becoming the number one trend on twitter worldwide. kim kardashian writing about the cover, how beautiful. kendall jenner adding be free now, pretty bird. >> this magazine cover will go down in history as one of the most iconic covers we'll see in our lifetimes. i think it will be difficult to find a copy on your magazine stand this week. >> you'll be seeing a lot more of caitlin jenner. "e" says it's been following her transformation and plans on releasing a television series