California Gurls

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  Katy Perry Sells Music Catalogue For $225 Million, Breaks Justin Bieber's Record

  The deal includes her stake in her master recordings and publishing rights for all five of her studio albums released through Capitol Records.

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  Katy Perry's Roar expected to outsell Lady Gaga's Applause

  Katy Perry's new song Roar is expected to sell well with industry forecasters suggesting it will move around 450,000 downloads by the end of this week, outselling Lady Gaga's Applause.

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  Katy Perry wants to work on her acting career

  Singer Katy Perry is secretly taking acting lessons in the hope of landing a sitcom role.

• Katy Perry makes history with latest single

  The singer has made history after making it to the top of US pop charts with her fifth single from the album Teenage Dream.

• Perry says all is fine with Brand

  Katy Perry has brushed off reports that her marriage to Russell Brand is in trouble

• Katy Perry Unimpressed By Britney's Product Placement Video

  Katy Perry is not impressed with the "in your face" product placement in fellow pop star Britney Spears latest music video Hold It Against Me.

• Katy Perry's favourite gift a leopard print coat

  Pop star Katy Perry's favourite gift ever was a leopard print coat which her mother gave her as a child.

• Katy Perry will not give up latex

  Katy Perry has no plans to give up her latex costumes and says that she will wear the eye-wateringly tight costumes as long as she has the body for it

• Katy Perry to put children before music career

  Pop star Katy Perry has said her children will take priority over her music career when she dons a mother's role.