Katy Perry in J Brand and Purple Rock and Republic

Katy Perry seen out and about in London where she was promoting her new number 1 single California Gurls.

Out of her showy performance outfits, Katy wore J Brand leggings the army print, named Brigade, along with popping purple Rock and Republic "Celina" pumps and a slouchy Vince jumper.

Katy's J Brand "Brigage" leggings can be bought at singer22.com.

And the Rock and Republic pumps, which feature a spiked silver tassle detail are available on-line at zapposcouture.com in Katy's Royal Purple shade and in Black - they cost $295.00.

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