PSA Featuring School Shooting Survivors Transforms Katy Perry’s 'Teenage Dream’ Into Powerful Statement Gina Tron Mon, 09/13/2021 - 13:26 PSA Featuring School Shooting Survivors Transforms Katy Perry’s 'Teenage Dream’ Into Powerful Statement Gina Tron Katy Perry’s song “Teenage Dream” takes on a whole new meaning in a new PSA that features young people who have survived school shootings.