The 27-year-old took to her Twitter page and announced she is working on a new promo.
"3rd long day of shooting... The new music video!!!!! Working girl," Perry posted on her Twitter page.
The "California Gurls" hitmaker then asked her fans to help her to select one of the stage costumes from her latest global trek to wear in the video.
"About to shoot one of the last scenes for the music video... I have to pick a costume from the Cali Dreams Tour, which would u pick?" she wrote.
