Moments from Katy Perry's music career (30 images)
Singer-songwriter Katy Perry announced her pregnancy with fiancé Orlando Bloom in her new music video "Never Worn White" in early March. Here's a look back at her music career through the years.
Katy Perry attends an interview session on MuchOnDemand, a celebrity and fan showcase, at the MuchMusic studios in Toronto on December 15, 2008. That summer, her hit song "I Kissed a Girl" topped the Billboard chart. Photo by Christine Chew/UPI