Gigwise — She got her posture wrong... more info

Perez Hilton — After watching this video, we think it is worth considering! While the Glee kids were on tour, they were graced with the presence of viral royalty when they rolled into Chicago - Kenan Cahill! Check out this video they put together with Kenan backsta... more info

VH1 Blog — [Click here for a larger image.] Well, for those of you who thought you had heard the last of Adele‘s “Rolling In The Deep” after it was bested by Katy Perry‘s “Last Friday Night (T.G.I.F.)” in last week’s Song Of The Summer Countdown, ... more info

Mjsbigblog — Check out Darren Criss, Harry Shum Jr., Jenna Ushkowitz and Dianna Agron lip syncing with Keenan Cahill on his latest video, Katy Perry's "Last Friday Night (T.G.I.F). Video after the jump. more info

VH1 Blog — Everyone else in the United States may have taken the day off yesterday, but Billboard‘s “Mashup Mondays” was in session—possibly because yesterday’s contributor, James Blunt, isn’t an American. Blunt and band leapt at the opportunity for... more info

ContactMusic — Katy Perry has become the latest star to join the internet 'planking' craze by posing for a picture balanced on the roof of a boat. The controversial game sees participants taking photographs of themselves lying still like a plank of wood at unusual ... more info

Topix — Katy Perry debuted a new red hue to promote her fragrance, Purr. The singer hinted via Twitter last month that she was itching for a change, writing, "Tonight I dye my hair a different color. more info

ContactMusic — Katy Perry reached out to Britain's Duke & Duchess Of Cambridge to invite them to one of her Canadian concerts after discovering the royal couple's state visit coincided with her tour. The pop star is currently touring her California Dreams shows, wh... more info

Mercury News, California — Katy Perry and Britney Spears appear on a CD together but it's not the latest "now" compilation. Rather, the pop singers have written songs on Selena Gomez & the Scene's new album, "When the Sun Goes Down. more info

Perez Hilton — "Katy Perry's music always puts me in a good mood and makes me want to dance" - Paris Hilton to US WEEKLY on Katy Perry [Image via WENN.] more info