ContactMusic — 'Glee' actor Darren Criss has joined Katy Perry for a 'Teenage Dream' duet.The star of the hit Fox TV show joined forces with the brunette beauty at the Trevor... more info

People.com — The pop singer also jokes that Helen Mirren, a big Russell fan, needs to "step off my man" more info

ContactMusic — Katy Perry is planning to adopt her married surname of Brand.The 'California Gurls' singer wed British comedian Russell Brand in October and is now thinking of taking... more info

411 Mania — Katy's all sexed up... more info

ContactMusic — Katy Perry is making Russell Brand take driving lessons.The 'Firework' hitmaker is reportedly furious that she has to chauffer the couple everywhere when they go out... more info

Starpulse — Katy Perry and new hubby Russell Brand attended "The Tempest" Los Angeles Premiere yesterday. Katy rocked the red carpet in a draped pale purple gown while Russell opted for some sort of velour/vel... more info

L.A. Times - Entertainment — Stars of a Shakespearean inclination banded together Monday night to premiere Julie Taymor's rock-and-goth-tinged "The Tempest." more info

Popeater — Filed under: Music News, TV News, Celebrity Holiday Katy Perry's latest appearance on TV in the Christmas episode of 'The Simpsons' isn't likely to earn her any edits, like the curvy duet with Elmo that got her cut from 'Sesame Street' this fall. But... more info

411 Mania — Katy goes international in 2011… more info

Big Apple Music Scene — We were so entranced with Darren Criss's cover of Katy Perry's "Teenage Dream," on Glee which he performed again last night for the Trevor Project. And guess who made a surprise appearance on-stage? Miss Katy Perry herself! ... More » Post from: C... more info