Leave it up to Katy ... “Vogue World: Paris,” on Sunday when she made a surprise appearance on the runway wearing a gorgeous ...

It's a woman's world and we're lucky to be living in it. Katy ... at Vogue magazine's Vogue World event in Paris on June 23.

On Sunday, the “Firework” singer lit up the runway with a surprise, ultra skin-baring appearance at Vogue World ... Perry strutted out onto the catwalk in a vintage Noir Kei Ninomiya dress ...

The singer walked the runway alongside other celebrities including Venus and Serena Williams, Ciara, FKA Twigs and more Talk about sexy, confident! Katy Perry was so intelligent for signing on for ...

On Sunday, at Place Vendôme in Paris, Anna Wintour and her team launched the third installment of Vogue World — this ... came from Katy Perry, in an archival Noir Kei Ninomiya cut-out gown ...