ContactMusic — BRUNO MARS has exploded BRITNEY SPEARS' return to the top of the U.S. pop charts - his GRENADE is back at number one.The singer scores a third non-consecutive week at the top of the charts. Spears' Hold It Against Me drops to six. Katy Perry's former... more info

411 Mania — The best smelling concert ever? more info

ContactMusic — KATY PERRY has revealed the artwork for her new single, which sees the singer adopting a new look.KATY PERRY, the 26-year-old American pop singer, has revealed the artwork for her new single 'E.T' in which she shows off a sharp new look. The songstre... more info

Perez Hilton — Wow! We have a feeling that she is NOT going to disappoint with this one - not that we'd expect her to! Katy Perry has been hard at work planning her upcoming 95-date California Dreams Tour, and it sounds as though gurlfriend spared no expense when ... more info

ContactMusic — Katy Perry's forthcoming 'California Dreams Tour' will be "sweet and shocking". The 'Firework' hitmaker is performing 95 shows in her world tour, and plans to "raise the bar" with her performances incorporating songs from her first two albums. She sa... more info

Gigwise — Singer has big abitions... more info

Starpulse — Barney (Neil Patrick Harris) gets emotional when he opens up to Honey (Katy Perry) about his life, on "How I Met Your Mother," airing Monday, Feb. 7 (8:00-8:30 PM, ET/PT) on CBS. more info

411 Mania — Pics from the episode... more info

Perez Hilton — And looking good, might we add! Check out these promotional stills of Miz Katy Perry's February 7th guest-starring gig on How I Met Your Mother (above)! As we've reported, she'll be portraying the naive cousin of Jennifer Morrison's Zoey, Honey, who ... more info

Pop Crunch — English Sweetheart Cheryl Cole may be frozen out of the upcoming American adaptation of The X Factor as FOX and series producers eye pop powerhouses Christina Aguilera, Katy Perry, and Rihanna for a spot on the judges’ panel. The popular British X ... more info