MTV.co.uk News — Reports claim K-Pez may recruit some of her own showbiz pals for the diss track promo... more info

E! Online — Taylor Swift can't pull a surprised face on this one! Katy Perry has reportedly registered the song title "1984" with her music publisher, BMI. Many are speculating that this... more info

Stereogum — Taylor Swift has never come out and said that “Bad Blood,” her 1989 track and recent #1 single, is a dis song about Katy Perry. She’s told Rolling Stone that it’s about another singer and that the two are “straight-up enemies,” but that�... more info

MTV.co.uk News — Can’t we all just be friends? more info

Perez Hilton — It's no secret that there's a bit of a feud between pop superstars Katy Perry and ​Taylor Swift — so much so that their mutual friends have been dancing between them recently! But now, we have something even juicier than that — Katy may be taki... more info

Perez Hilton — Matchmaker, matchmaker make us a match! ICYMI: On Tuesday, it was revealed that Ellie Goulding was the mastermind behind Taylor Swift and Calvin Harris' relationship. [ Related: Ellie Explains Why She Deleted Her Pic With Katy Perry! Deets HERE! ] Th... more info

Perez Hilton — We didn't think there would be any Bad Blood between Taylor Swift and any of her castmates/BFFs/squad from her latest music video. But maybe there's trouble in paradise! Are her besties Ellie Goulding — who appeared in Tay's revenge video — and L... more info

MTV.co.uk News — You made a really deep cut and, baby, now we got bad blood... more info

Perez Hilton — Love/hate relationships are everywhere. But in Hollywood, where the competition is fierce and fame can falter, relationships can go from sweet tweets to fallouts in no time at all — especially with the people celebs once called their idols! Katy Pe... more info

E! Online — "F--k being polite," indeed.  Hours after dropping his latest album At.Long.Last.A$AP one week ahead of the original June 2 release date, the 26-year-old rapper is... more info