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 | License Photo
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