ContactMusic — Lady Gaga, Demi Lovato and Katy Perry will pay tribute to Britney Spears at the MTV Video Music Awards (VMAs). Several female singers will take part in a medley of the 'Gimme More' singer's hits in a special celebration of her career at the ceremony,... more info

Gigwise — At the ceremony later this month... more info

ContactMusic — Pop stars Hanson have yet to meet the real Katy Perry after spending a day with her latest awkward alter-ego on a video set. The trio played the house band in Perry's Last Friday Night (T. G. I. F) promo - but the pop star spent the day as her bespec... more info

VH1 Blog — With only three more weeks left in our 2011 Song Of The Summer Countdown, sadly, there’s little drama left as to who will take home the crown. For the eighth consecutive week, Katy Perry‘s saxoriffic “Last Friday Night (T.G.I.F.)” is sitting ... more info

Perez Hilton — More! More! More! Fierce! Fierce! Fierce! Love! Love! Love! She dazzled you this morning with some Katy Perry, but now, check out Vickie London in another fantabulous video - Brandy's & Monica's The Boy Is Mine Guuurl, you can have yourself all the b... more info

Perez Hilton — This is too good for words! You MUST watch!!! You will thanks us!!! Check out the video (above) to see & hear the incomparable Vickie London cover Katy Perry's jam Circle The Drain! Perfection! Werk it, gurl!!! more info

Gigwise — The singer praises Perry... more info

Mercury News, California — The singer's personality outshines her many costume changes and stage stunts. more info

ContactMusic — Russell Brand thinks the UK riots are "sad and frightening". The British comedian - who now lives in Los Angeles with his wife Katy Perry - is upset areas he has previously lived in London has been affected by the looting and violence in the last wee... more info

Big Apple Music Scene — When you hear that a celebrity has dyed her hair some bright color, you imagine Katy Perry and Nicki Minaj with candy-hued hair that looks like a thick wig. We much prefer Glee star Dianna Agron's new look, seen in Los Angeles yesterday. A few weeks... more info