Katy Perry was a judge on ‘American Idol’ for seven years until she announced she was leaving the singing competition in ...

Katy Perry is known to love spectacular visual concepts. She's been seen as an Egyptian in her song "Dark Horse", as an alien in "ET", and as a Californian star in "California Gurls". But this ...

Katy Perry/Instagram The “Dark Horse” singer, 40, said Guerrero “took care of everyone and brought a positive energy to everything.” “It was easy to love you because you always felt like ...