Pop. Upgraded: Katy Perry’s Music Video Style Evolution (PHOTOS)

Still reeling from Katy Perry’s latest music video surprise — a rough G.I. Jane take on her breakup anthem “Part Of Me” — we thought it would be a good time to look back at the woman this California girl has become over the last four years. Join us as we track how the Echo Awards performer‘s style, imagery and iconography have evolved during her rise to fame, letting her true personality (and sense of humor) shine through. After all, Teenage Dream’s aren’t born, they’re made.