MTV.co.uk News — Cheryl Cole's dreams of being a judge on the US version of The X Factor could be in crisis, with reports suggesting that producers of the show are doubting her ability to "pull in... more info

Gigwise — Producers doubting her potential... more info

ContactMusic — Actress GRETA GERWIG has pedalled off with a top-of-the-range bicycle which her ARTHUR co-star RUSSELL BRAND bought as a gift for his new bride KATY PERRY.Brand offered the bike to his actress pal after Perry turned it down last year (10). And Gerwig... more info

ContactMusic — Katy Perry keeps fit by skipping.The 26-year-old singer enjoys five 25-minute workouts every week with personal trainer Harley Pasternak, who says her brief workouts are better for keeping her trim in the long term.Harley said "It's an intense workou... more info

ContactMusic — Designer Carlotta Gherzi would love to dress Katy Perry. The Sado founder's label is loved by celebrities such as Chloe Sevigny, Cheryl Cole and actress-and-fashion designer Sienna Miller but Carlotta thinks her clothes would look best on the 'Firewo... more info

Perez Hilton — All right! These are some pretty solid selections! In the upcoming Valentine's Day-centric episode of Glee, titled Silly Love Songs, expect to hear Lea Michele's take on Katy Perry's Firework, as well as Mark Salling doing Fat Bottomed Girls by Quee... more info

Gigwise — 'Teenage Dream' UK tour... more info

Pop Crunch — Promoting self-acceptance as only she can. Pregnant pop star Pink, 31, uses strong messaging in the video promo for her new single, “F*ckin’ Perfect,” a track featured on her current Greatest Hits Album. Directed by David Meyers, the lensman be... more info

411 Mania — How did he do? more info

ContactMusic — KATY PERRY, the American pop singer and wife of RUSSELL BRAND, has announced 38 dates for the US and Canadian leg of her 'California Dreams' world tour. The 25-year-old confirmed the summer 2011 shows during a live web stream from Facebook's offices ... more info