Transcript for Vanity Fair Releases New Details About Caitlyn Jenner's Transformation
Time for the heat index and this morning hot button, E new details on Caitlyn Jenner's dramatic transformation including how she chose that name. ABC's Chris Connelly. Reporter: What's in a name for Caitlyn Jenner more than you might think. Rich with images of Jenner after completing her transition and becoming a transgender woman, once revealed to Diane sawyer a favorite song. ? She's a lady talking about ? Yeah, I loved that song. Reporter: Jenner sharing details about nights. Spent watching the miss America page ant. The deal sealed when jeber's assistant volunteered that name and opting intentionally to spell it with a C not with the K, break with transitions with the Rae Alty show. We would never do that, Diane. Are you telling me I'm going to through a complete gender change, okay, everything you need to do that for the show, sorry, Diane, it ain't happening. Okay? Reporter: Caitlyn Jenner's belief in herself, bolster by Janet cox and la Vern cox. And that Annie leibovitz shot. Telling vanity fair, that's the first time I'd ever really seen an image of me. Seeing that image was powerful and I kind of looked and it and said, you know what, this is going to work. We're going to be okay. And as Caitlin ponders that za question asked Tuesday to her followers about her upcoming appearance on the espys what the hell am I going to wear? And we're also learning more about Caitlyn Jenner's style. Her hair stylist who also works with Kim, said they were inspired by Cindy Crawford.
This transcript has been automatically generated and may not be 100% accurate.