"In my life I love you more".....women and celebrities...?

Of course their music is divine. But they were also known for the Beatlemania they created in women of all ages. At least in those days.
What was it? The music? The sex appeal? The youth? Success? Style?
Is there anything to match today?

http://www.youtube.com/watch?v=DDZW9Fgisp0
http://www.youtube.com/watch?v=Ym0x3vTw6yc&feature=related