Katy Perry started her 'Lifetimes' tour in Mexico City by singing, 'Not Like the Movies', a song she hasn't performed live in ...

She was once one of pop culture's biggest stars, but the tide appears to be turning on Katy Perry. The California ... So, is it too late for the California Gurls singer to resuscitate her career?

As she prepares to embark on her first world tour in seven years, Katy Perry needs ... her routine skews "California crunchy." But the night doesn't end after the "California Gurls" singer leaves ...

Joe Rogan ripped into Katy Perry and her all-female Blue Origin ... and protect me and also my family and daughter,” the “California Gurls” artist told reporters, according to People.

Later on, she ran through a collection of hits including ‘California Gurls’, ‘Teenage Dream ... Later in the year, Katy Perry will hit the UK and Europe – see the full list of ...