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

The song’s denouement, “We’ll put a boot in your ass/ It’s the American way,” earned the ire of antiwar Americans, including the Dixie Chicks (now known simply as the Chicks), and ...

Backed by a somber choir providing harrowing backup vocals, Perry belted out her resilience anthem “Rise,” a hit song featured ... while waving the California state flag and bounding back ...