Found on the official product page for Katy Perry Sweet Treats *thanks ProSims!)

Edit: Few more pieces of clothing from Los Sims 3 Facebook page

462616_10150646630533224_75766038223_9489125_166071251_o 467700_10150646629998224_75766038223_9489120_373272226_o 467616_10150646629613224_75766038223_9489118_2143715047_o 467600_10150646629098224_75766038223_9489111_728340579_o 465023_10150646628608224_75766038223_9489107_149754557_o 459038_10150646628008224_75766038223_9489102_2000442057_o 412038_10150646627613224_75766038223_9489099_1654973724_o

467360_10150646627208224_75766038223_9489097_558367501_o 476481_10150646626883224_75766038223_9489095_995671317_o 465983_10150646626588224_75766038223_9489093_1227151465_o 522599_10150646626243224_75766038223_9489090_1475179583_n