Hundreds of hours of research

I received the following questionfrom a reader, and I thought more of you might like to know the answer to it, so here goes:

The QUESTION:

I am just curious, where did you get your insight on what it is like to be a celebrity and be followed like Ryan and Taryn are? Also, what it is like to have a bodyguard, do movies, walk the red carpet and so on and on and on. For a while, while I was reading the books I wondered if it was a celebrity writing it under a ghost name. It really became quite rea...