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Katy Perry, @katyperry - Tweet: "Mr. Keef! I'm sorry i I offended you. I heard a lot of people guesting on the song & didn't even know it was you in particular. Actually... I'm a fan of your "Don't Like" video tbh. I was really just having a general opinion on our generations desire to be constantly intoxicated.""I Kissed a Girl" singer Katy Perry explains why hearing Chief Keef's "I Hate Being Sober" featuring 50 Cent and Wiz Khalifa made her "have serious doubt for the world."(Photos from left: Johnny Nunez/WireImage, Brendon Thorne/Getty Images)

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Chief Keef, @ChiefKeef - Tweet: "New Katy Perry Song Coming Soon"Keef's reaction before Perry's apology included a violent threat, a sexual offer and finally new music. After Perry's apology, he reportedly apologized as well — it's not on his timeline, but there is this: "I Get It Now Dont Worry" with a thumbs up and peace sign. Maybe the diss song will become a collab.(Photo: Johnny Nunez/WireImage)

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Erykah Badu, @fatbellybella - Tweet: "Prayers and lots of light for Oklahoma"Erykah Badoula offers love to the Oklahoma community, where a tornado leveled a school, a hospital and as many as 13,000 homes. Funerals continue today for the 24 who died, including 7 children.(Photo: Ethan Miller/Getty Images)

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Hulk Hogan, @HulkHogan - Tweet: "MIGUELMANIA at least he did it right brother. HH"Hulk's got jokes about Miguel's infamous accidental drop kick into the Billboard Music Awards audience.(Photos from left: Dimitrios Kambouris/Getty Images, Gerardo Mora/Getty Images)

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Faith Evans, @faithevans - Tweet: "Happy born day B.I.G.! We'll always love Big Poppa"Faith sends a virtual shout out to her late ex-husband on his birthday (May 21), and we concur: we'll always love him.(Photo: Frederick M. Brown/Getty Images)

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Pete Rock, @PeteRock - Tweet: "Happy Birthday to my family Heavy D! Was Vibing on when we were kids last night. So many great memories they will live in me 4ever! Love you"Producer Pete Rock celebrates coming up with his now deceased cousin, the overweight lover Heavy D. D was born 47 years ago today (May 24).(Photo: Jerritt Clark/WireImage)

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J. Cole, @JColeNC - Tweet: "Born Sinner June 18"J. Cole started something this week when he moved his sophomore album release date up to compete with Kanye West. Mac Miller and Kelly Rowland's albums also drop that day. We'll be watching the charts to see what it do.(Photo: Anna Webber/Getty Images for GREY GOOSE)

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Birdman, @BIRDMAN5STAR - Tweet: "Welcome @ParisHilton to tha FamilyRichgangRichgirl, YMCMB"Just as Twitter started going in on speculating about Paris Hilton's 7-year itch (the amount of time it's been since her last album), the Cash Money founder confirms that the pop culture princess who comes from old money will now be releasing her music via Young Money.(Photos from left: Christopher Polk/Getty Images, Michael Buckner/Getty Images)

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Nicki Minaj, @NICKIMINAJ - Tweet: "I Rock w/both. If they don't like each other, that's on them. I'm just out here working. It wldnt have been a sneak diss either. #fearNoManAfter unabashedly dissing diva Mariah Carey, Nicki makes it clear that there's nothing sneaky about her attacks, so no need for the Barbz to consider her "I'm Out" collab some sort of tag team up against Ri Ri and her Navy.(Photo: Jason Merritt/Getty Images)

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Rick Ross, @rickyrozay - Tweet: "NBA Finals...South Beach"Ross's hometeam upset the Pacers by one point on Wednesday. From where will you be watching the re-match tonight?(Photo: Alexander Tamargo/Getty Images for Reebok)

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B.o.B, @bobatl - Tweet: "If Sergio Garcia doesn't lose any endorsement over this... that says a lot about our culture and our society as a whole..."B.o.B is curious about the lack of protesting that came with Spanish golfer Sergio Garcia's racist attempt at a joke about Tiger Woods, especially considering the loss of endorsments that occurred in hip hop recently. (Photo: Jason Merritt/Getty Images)

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Joey BadA$, @joeyBADA--_ - Tweet: "but f--- it, eye'll just make this announcement. My 'Summer Knights Ep' drops June 12th. good day"Joey's going to give us something to precede his debut album, B4.Da.$. "Summer Knights" was a track on his breakout mixtape, 1999.(Photo: John Ricard / BET)

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Brandy Norwood, @4everBrandy - Tweet: "I loved rocking that red jacket! Yasss #Chardonnay #TheGameBET"Singer Brandy takes a moment to acknowledge the stylists behind this week's scandalous mid-season finale of The Game.(Photo: Ray Tamarra/Getty Images)

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Chris Brown, @chrisbrown - Tweet: "Keep requesting "fine china" and make sure to buy on iTunes. NEW single featuring Aaliyah 'They Don't Know' drops next Monday!!!!!"Chris Brown's cooked up something for your Memorial Day BBQ. It could be beef with Drake, but we'll go with a healthy dose of honoring one of our most loved fallen soldiers.(Photo: Jason Merritt/Getty Images)

Photo By Jason Merritt/Getty Images

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MC Lyte, @mclyte - Tweet: "We must remember anything worth having is worth waiting for. Stay busy in the interim, but never give up on your dreams and desires...."Sage advice from O.G. MC Lyte. Her timeline's as robust with jewels as her lyrics. Stay focused this weekend. (Photo: Rick Diamond/Getty Images for BET)