I'm going to say Amy because I remember where I was when the news came on TV and I was kinda in shock for the rest of the night until I found out that it was real.
They are all sad but MJ hurt me the most. I was shocked and couldn't believe it for weeks.
Whitney's shocked me too cause I was looking at some pics of her the day before she died and her death made me realize even more how talented she was.
Also, these Britney jokes in this thread aren't funny at all.