VIDEO : Carrie Fisher And Harrison Ford Affair

Carrie Fisher credits an on-set romance for her on-screen chemistry with Harrison Ford. (CNN)According to Carrie Fisher there was a reason she and Harrison Ford had such chemistry in "Star Wars." "The Princess Diarist" is billed as " Carrie Fisher's intimate, hilarious and revealing recollection of what happened behind the scenes on one of the most famous film sets of all time, the first 'Star Wars' movie." "I looked over at Harrison. She said she thought he looked like a movie star.