See Photos From Barbara Walters' 10 Most Fascinating People Special (PHOTOS)
This Wednesday, Barbara Walters will unveil her list of the 10 Most Fascinating People of 2011, a list that includes everyone from a reality show judge (Simon Cowell), to a pop superstar (Katy Perry) to the year's most famous sibling (Pippa Middleton).
But who is number one? You'll have to find out when the special airs Wednesday at 9:30PM ET on ABC.
In the meantime, get a preview of the list in our gallery now!