How many hits do Katy Perry have?

Katy Perry has 14 songs that have reached number one on the Billboard Hot 100 chart, making her the sixth-highest-charting female artist in the 21st century. Her number-one hits include "I Kissed a Girl", "Hot n Cold", "California Gurls", "Fireworks", "E.T.", "Part of Me", "Wide Awake", "Roar", "Dark Horse", "This Is How We Do", "Swish Swish", "Never Really Over", and "Daisies".