The popstar donned a figure-hugging purple frock (as she has for all her perfume launch dates) and joined four models in Katy Perry wigs and purple latex catsuits at the event.
We love Katy's dress and the short length shows off her shapely legs to perfection but the models look like they're enjoying the shoot far more than the star.
Judging by her obvious love of playing dress up in latex perhaps Ms P was wishing she was the one in the pink and purple unitard and tail?
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