"Oh, don't worry Jon. You'll be fine. In fact, you are Nicole Kidman"
The transformation only lasted a few seconds, but to Karyn it seemed like a few minutes passed. Jon didn't even flinch as his entire frame slimmed out, and his skin lightened and became smooth. His face changed, growing more and more feminine, and before long was the spitting image of the Hollywood star's, as light makeup faded into existence. His hair exploded past his head, taking on the golden curls that Kidman currently had. Then his clothes began to move, reforming from jeans and a t-shirt into a lacy dress. Karyn could now see Nicole's breasts forming, and soon the transformation was complete.
"Wow... it actually worked."
"What actually worked?" Nicole said in a perfect Australian accent.
"Oh, it's not important. But you really would like to tell me all the details of your personal life, wouldn't you?"
"Why of course," Nicole said, and began telling her life story in great detail. It was as though she'd really been Nicole Kidman her whole life, she talked about everything, from growing up in Australia, to her sex life with Tom Cruise. Karyn was amazed. When Nicole had finished her story, Karyn had a thought... did she want to change Jon back right away, or have some more fun...