Starpulse — Katy Perry had suicidal thoughts after splitting from Russell Brand. more info

Starpulse — Katy Perry wants to donate John Mayer's "genius" brain to science. more info

People.com — The pop star looks back on an interview with Walters that got off on the wrong foot more info

Starpulse — Katy Perry struggles with OCD. more info

Big Apple Music Scene — I think the relationship between Katy Perry and John Mayer has reached the statute of limitations on "new relationship gushing," in my opinion.  I know when you're first dating someone, you tend to view each other the way one might view a unicorn ta... more info

Jam! Showbiz Music, Canada — Katy Perry is planning to ditch pop music and fill her next album with acoustic guitar music just like Joni Mitchell made. more info

E! Online — Katy Perry just can't stop gushing over her man John Mayer. "He literally is a genius, as is evident from his songwriting," the 28-year-old beauty says in the latest issue of... more info

Kings of A&R — Katy Perry's single ROAR had 28,269 paid downloads on iTunes within the last 24 hours. Lorde's single Royasl had 38,979 paid downloads. Miley Cyrus "Wrecking Ball" 28,269, Avicii "Wake Me Up" 21,274. more info

E! Online — Katy Perry may lead a glamorous and fast-paced lifestyle, but she makes sure there's some organization in there, too. And we're not talking about the star keeping up with all the... more info

Yahoo! Music — By Piya Sinha-Roy LOS ANGELES (Reuters) - Hawaiian folk singer Jack Johnson landed his fourth No. 1 album on the Billboard 200 album chart on Wednesday, while New Zealand newcomer Lorde overtook Katy Perry and Miley Cyrus to top the digital songs cha... more info