Katy Perry shocks fans with a major announcement on the Tonight Show.

Expressing her love for the show, Katy says, 'I love Idol so much, it's connected me with the heart of America. 

'But I feel like I need to go out to feel that pulse of my own beat,' Katy reveals about her departure. 

Katy's decision a surprise to co-judges Luke Bryan and Lionel Richie. 

Reports suggest a rift with Orlando Bloom may have influenced her decision. 

Balancing her personal life with Orlando and her thriving career. 

Katy's departure marks the beginning of a new journey in her life.