Emma Watson, one of the leading female star in Harry Potter the movie opened some of her secret at Tatler Magazine’s interview. Start from her favorite food, ring tones, her nickname, diet plan until her favorite artist. Emma who is waiting for her animation-adventure movie “The Tale of Despereaux” this December 19 said that she is the bigest fans of Kevin Costner. Eventhough she didn’t tell the reason why she admire this actor, she is very exciting to tell Tatler magazine that Kevin Costner is her secret crush artist.