Katy Perry and John Mayer have reportedly told friends they want to get married in June.
Celebrities attend the BRIT Awards to celebrate British pop music in London on February 19, 2014.
Katy Perry has been crowned the Woman of the Year at the 2014 Elle Style Awards in London.
The 56th Grammy Awards was held in Los Angeles on January 27, 2014. Here's the editor's choice of some of the most memorable dresses of the night.
Celebrities arrive at the 56th annual Grammy Awards in Los Angeles, California January 26, 2014.
Katy Perry believes in aliens and wants to know if US President Barack Obama does too.
On a recent Sunday afternoon, the pop superstar attended a rehearsal of the China National Orchestra, the country's leading traditional folk music performance group, in Beijing.
Katy Perry has gained more Twitter followers than anyone else in 2013 adding 15 million to her total of over 48.5 million.
Katy Perry was pleased to "wake up" to news she has been nominated for both the Best Pop Performance and Best Pop Song prizes at the 2014 Grammy Awards.
John Mayer and girlfriend Katy Perry collaborated for new song 'Who You Love' which will feature on his new album 'Paradise Valley'.
Katy Perry was appointed UNICEF Goodwill Ambassador at the UNICEF headquarters in New York, US, on Dec. 3, 2013.
Taylor Swift scored big at the American Music Awards, taking home four wins including the night's top prize for artist of the year.