Let' see...
Marina can sing,write lyrics,compose shoot meaningful videos and looks sexy as fu**.
Katy can't sing better than Casting losers,her guitar skills are poor her lyrics are dull and meaningless and she runs around like a ****ing maniac half-naked because she needs attention.
And worst of all in Fingerprints(her best song btw) she swore "I wanna break the stereotype"
Well done Katy you are very unique
Don/t do this too me, both