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

At the FireAid LA charity performance, Lady Gaga made a huge impression by performing a brand new song that she co-wrote with ...

Katy Perry is all for Carrie Underwood - despite what fans may think.The 40-year-old pop icon stepped down from her judging ...

Tour-bound Katy Perry has been ordered to testify in an ongoing legal battle over a Santa Barbara home purchase.

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