She held her own, and she remained cool, calm and collected,” the showrunner noted of Underwood’s technical mishap.

Katy Perry and Rebecca Black took part in another cheeky skit together in honor of the latter joining the pop star on her new The Lifetimes Tour.

Pop queens Katy Perry and Rebecca Black are making waves again, but this time, it's not about a viral single. The two singers ...

For the first time in more than seven years, pop icon Katy Perry is headed out on tour. She'll perform 75 dates on four ...

Katy Perry surprised the audience at her Los Angeles concert by bringing Rebecca Black on the stage for a special performance of Last Friday Night (T.G.I.F.).

From must-see concerts to upcoming music releases and more, we're breaking down the hottest music news and events happening ...

Katy Perry received a surprising gift from none other than the Cronulla Sharks ahead of her Lifetimes Tour, which will kick ...

Cronulla failed to come back from Las Vegas with a victory - but they did manage to make a fan out of global popstar Katy Perry.

LSU gymnast star Livvy Dunne and her sister Julz enjoyed a special Katy Perry concert on Mardis Gras weekend and brought out their best glam looks.

From left: stylist Tatiana Waterford, Katy Perry and hairstylist Jesus Guerrero ...

Across town in Chalmette, James Franco and "White Lotus" star Patrick Schwarzenegger were front row for Krewe of Armenius ...