Although Katy Perry is best-known for frothy, off-the-walls pop music, the Billboard Hot 100 topper opened her Thursday (Jan.

Here is an analysis of why Snoop Dogg should have been perfect for Katy Perry's "California Gurls" but wasn't.

Katy Perry’s onstage costumes are a masterclass in camp. Since popping off in 2008, she’s worn the most whimsical pieces, ...

Katy Perry belted out “California Gurls,” and Joni Mitchell offered a rare performance as Angelenos spoke movingly about loss — and resilience.

By Miriam JordanHamed Aleaziz and Heather Knight Katy Perry belted out “California Gurls,” and Joni Mitchell offered a rare performance as Angelenos spoke movingly about loss — and resilience.

Are you so proud to be a California girl?” she asked before jumping into “California Gurls,” which she performed while waving the California state flag and bounding back and forth on the stage.