Time — She dissed a girl, and she likes it more info

Perez Hilton — Katy Perry is 30 and still as flirty as ever! Besides all the stellar moments she's had in her career, this birthday marks a HUGE milestone for our Katy Kat. We wish we could do the electric slide with our gurl on the dance floor to celebrate her lif... more info

Perez Hilton — Three decades ago, Katherine Hudson was born. No, it's not chick flick queen Kate Hudson's 30th birthday! It's Katy Perry's special day! BETTER BELIEVE IT! Katherine Hudson and Katy Perry are the same woman — the woman that rocks us with hits like ... more info

Time — The pop star turns 30 more info

MTV.co.uk News — Is KP's supposed boyf expecting a second baby with his ex...? more info

Perez Hilton — Poor Katy Perry! She had this whole Egyptian extravaganza planned for her 30th birthday, but she had to cancel the fun due to safety concerns. [ Photos: Katy Goes To Knott's Scary Farm To Roar With The Monsters! ] So what's a girl to do? Well, Katy i... more info

Perez Hilton — You're one of the biggest stars on the planet, a multi-platinum singer, and an international sex symbol. You're about to turn 30. Where do you go? If you're Katy Perry, it's not Disneyland! [ Photos: Katy Perry's Wildest Pizza & Birthday Dreams Come ... more info

MTV.co.uk News — Watch this space for a track from the duo, after a certain producer appears to have shared the news a little early...! more info

TMZ — Ask and ye shall receive ... if you're Katy Perry and your dream is to have a giant pizza-themed birthday celebration.The pop diva turns 29 in a few days and tweeted that all she wanted was her name on the marquee of the Shakey's Pizza parlor on… ... more info

TMZ — Red Hot Chili Peppers drummer Chad Smith has one MAJOR piece of advice for Katy Perry when it comes to playing the Super Bowl Halftime show this year -- don't do what they did. Of course, Smith is referring to the RHCP performance at the Super… ... more info