Katy Perry is an American pop singer-songwriter known for chart-topping mainstream pop and dance-pop music with strong elements of synth-pop and electropop. Emerging in the mid-2000s and achieving international prominence in the late 2000s and 2010s, her work is characterized by catchy hooks, polished production, and theatrical, often colorful visual presentation. Perry's songs frequently address themes of love, empowerment, and personal resilience, delivered with a pop-centric focus on melody and anthemic choruses. She has also been noted for collaborations with producers across contemporary pop and electronic genres and for crafting radio-friendly singles and large-scale live performances.