Early hits (2007-2010):
- "I Kissed a Girl"
- "Hot n Cold"
- "Thinking of You"
- "Firework"
- "California Gurls"
- "Teenage Dream"
- "Last Friday Night (T.G.I.F.)"
Later hits (2011-present):
- "Part of Me"
- "Wide Awake"
- "Roar"
- "Dark Horse"
- "Birthday"
- "This Is How We Do"
- "Bon Appétit"
- "Chained to the Rhythm"
- "Swish Swish"
- "Never Really Over"
Collaborations:
- "Con Calma" (with Daddy Yankee and Snow)
- "What Makes You Beautiful" (with One Direction)
- "Feels" (with Calvin Harris, Pharrell Williams, and Big Sean)
- "365" (with Zedd)
These songs have contributed significantly to Katy Perry's success as a singer-songwriter and have become fan favorites over the years.