MTV.co.uk News — See K-Pez as you've never seen her before right here... more info

TMZ — ON TODAY'S SHOW Katy Perry RUINS a Kid's Birthday Party 'Sizzurp' Stoppage Causes Wide-Spread Panic in the Rap World Justin Bieber's Latest Snafu Offends BILLIONS How Did a Dude Drop $135,000 in a STRIP CLUB!? SKYPE US TMZTVSHOW TWEET US Tweet to… ... more info

ContactMusic — Lily Allen pokes fun at fellow pop stars Katy Perry, Rihanna, Beyonce, Lady Gaga and Lorde in her new single Sheezus.The Smile hitmaker mocks the... more info

MTV.com News — KP's Twitter is so feisty it hurts. But it feels so good. By Emilee Lindner more info

The Daily Mail — Katy Perry caused chaos when she pranked a five-year-old's birthday party for her latest music video, staging a fake car crash while dressed as a clown. more info

The Daily Mail — Not holding back as she worked her magic in front of the camera, the 28-year-old singer playfully referenced the likes of Rihanna, Lady Gaga, Beyonce and Lorde in the infectious upcoming track. more info

ContactMusic — Katy Perry made children cry after gatecrashing a five year old's birthday party. The 'Dark Horse' hitmaker dressed up as a clown for the video for... more info

TMZ — Katy Perry left children in tears at a recent birthday party where she dressed up like a clown, attacked some guy with a piñata stick, and staged a scary car accident ... all for a music video -- and TMZ has video from the scene.The hidden… more info

ContactMusic — Katy Perry has adopted a group of crazy new characters for her latest music video, performing at birthday parties undercover.The Firework singer... more info

ContactMusic — Katy Perry poked fun at her forlorn love life during a Tv guest spot on Monday night (21Apr14) when she took on a superfan in a quiz game based on... more info