Katy Perry and her team were recently seen dancing to Lady Gaga's debut single, Just Dance. They danced backstage to the song ...

The last time Katy Perry played New Jersey, for two sold-out nights on her dazzling “Prism World Tour” in 2014, she sat atop ...

Perry has been loping around the world on this tour for four months. Her Philadelphia stop was the 33rd city on the Lifetimes ...

Those who signed support background checks. — -- More than 150 entertainers and executives, including Katy Perry, Lady Gaga and Billy Joel, have signed a special “Open Letter to Congress ...

Pop superstar Katy Perry and former Canadian Prime Minister Justin Trudeau were spotted having dinner together at a Montreal fine-dining restaurant Monday night, prompting speculation about a ...

The Dinah was founded by Mariah Hanson in 1991, and has hosted concerts by stars such as Lady Gaga, Katy Perry, Pat Benatar and The Pussycat Dolls.