KATY PERRY !

Cause you're hot then you're coldYou're yes then you're noYou're in then you're outYou're up then you're downYou're wrong when it's rightIt's black and it's whiteWe fight we break upWe kiss we make upYou, you don't really wanna stay noYou, but you don't really wanna go oYou're hot then you're coldYou're yes then you're noYou're in then you're outYou're up then you're down.We used to beJust like twinsSo insyncThe same energyNow's a dead batteryUsed to laughAbout nothingNow you're plain boringI should knowThat you're not gonna change.