The singer showed off her shapely legs in a micro-mini asymmetrical lavender dress. She also got pulses racing later in the day when she changed into another purple frock, this time an embellished dark purple number which had the singer's famed cleavage on display.
We think this is a step in the right direction... still sexy, and she didn't even need to wear latex.
What do you think of Katy's purple haze? Picture-purrfect? Leave a comment and let us know.