*Michael Jackson's Death
*Lady GaGa's claim to fame (in the US)
*Britney Spears' big successful comeback
*The Black Eyed Peas' successful comeback & domination
*Kelly Clarkson's record breaking jump from 97-1
*Possibly a record breaking number of #1s on the pop chart
Lady GaGa taking over the world
Michael Jackson's death
Rihanna and Chris Brown
Rihanna's comeback (I predict this will be big)
and also Taylor Swift's huge success on pop radio with "Love Story" and "You Belong With Me" and her album holding down the #1 spot on the Billboard 200 for a looooong time