Katy Perry at The Parker Institute for Cancer Immunotherapy Launch Gala in LA 04/13/2016
Katy Perry at The Parker Institute for Cancer Immunotherapy Launch Gala in LA 04/13/2016
The 31-year-old pop singer Katy Perry, who became the first person to reach 50 million Twitter followers, at The Parker Institute for Cancer Immunotherapy Launch Gala in LA.
