15 Astonishing Reasons Behind Katy Perry's Return as Judge on American Idol

15. Expertise in Songwriting

14. Chart-Topping Success

13. Fan Interaction

12. Memorable Performances

11. Mentorship Skills

10. Unconventional Judging Style

9. Engaging Social Media Presence

8. Philanthropic Commitments

7. Musical  Diversity

6. Inspiring  Journey

5. Strong Female Representation

4. Multifaceted Artistry

3. Charismatic Personality

2. Fashion  Maven

1. Global  Icon