Katy Perry is the latest celebrity pitchwoman for Proactiv. “I love being a free spirit, on stage and off,” the ‘Hot N’ Cold’ singer says in the commercial. “But when you suffer with acne blemishes, you don’t feel very free. I tried everything to get rid of my acne, but nothing worked. So one day I ordered Proactiv solution. Within a couple of weeks, my skin cleared up fast.” Watch the spot via YouTube below.