Bonnie McKee, who co-wrote the 2010 hit with the singer, revealed that the track went through a few different lyrical renditions before landing on the chorus known today. "It was the most difficult to ...

It's fairly apparent that Katy Perry writes the majority of her material with her tongue in her cheek, and one eyebrow archly raised (little finger raised to pursed-lips = optional). So it's only fair ...

Katy Perry's team was initially hot and cold about "Teenage Dream." Bonnie McKee, who co-wrote the 2010 hit with the singer, revealed that the track went through a few different lyrical renditions ...