According to Glamour, the conflict began when three of Perry's backup dancers from her "California Dreams" tour joined ...

Katy Perry teamed up with Mattel to create a Barbie doll inspired by her colorful, quirky style. The doll wore a replica of her cupcake dress from the California Dreams tour, made of candy-colored ...

Dua Lipa is reflecting on her friendship with fellow pop star Katy Perry ... "It was her California Dreams Tour, and she was bringing fans onstage and I jumped onstage and I danced," she said.

Katy Perry was full of praise for Taylor Swift while reflecting on her Eras Tour experience in February, saying, "I got to ...