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"Justin Bieber just gave his fans a very unsettling Christmas surprise \u2014 the pop star announced retirement in a tweet. \n\nMy beloved beliebers I'm officially retiring\n\u2014 Justin Bieber (@justinbieber) December 25, 2013\n\nThe announcement comes a week after Bieber told Los Angeles radio station Power 106 he's planning to retire after the next album.\nSee also: The Most-Searched Celebrities of 2013\n\"After the new album, I'm actually retiring man,\" he said at the time. \nBieber followed up today's tweet with a couple of others that indicate he might not be retiring for good, claiming he would \"never leave\" his fans.\n\nThe media talks a lot about me.They make a up a lot of lies and want me to fail but I'm never leaving you, being a belieber is a lifestyle.\n\u2014 Justin Bieber (@justinbieber) December 25, 2013\n\n\nBe kind loving to each other, forgive each other as god forgave us through Christ Merry Christmas  IM HERE FOREVER\n\u2014 Justin Bieber (@justinbieber) December 25, 2013\n\nThe singer leaves a lot of questions unanswered, though. In a very recent tweet, he claims he's going to \"surprise a lot of people this week,\" followed with a #BelieveMovie hashtag. Could all this be a promo for Bieber's Believe movie, opening on Christmas day, or is the talk of retirement real? We'll likely find out in the following days. \n\nGoing to surprise a lot of people this week. #BelieveMovie\n\u2014 Justin Bieber (@justinbieber) December 25, 2013\n\nHave something to add to this story? Share it in the comments.\nImage: Kevin Winter/Getty Images\n\n\nCelebrity Twitter Fights\n\n\n\n\n\n\n\n1. Amanda Bynes vs. Rihanna\nLooking for a way to amp up the drama, Amanda Bynes took her Twitter sass to a whole new level in May with a seemingly unwarranted attack on pop star Rihanna and Chrissy Teigen of Sports Illustrated fame, calling both stars ugly. In one particularly notable moment, the former child star suggested Chris Brown's 2009 abuse of Rihanna was a result of her being \"not pretty enough.\" Ms. Bynes, that is a new low. \n\n\n\n\n\n\n\n\n\n\n2. Alec Baldwin vs. George Stark\nAlec Baldwin quit Twitter again this summer following an article by journalist George Stark of the Daily Mail. The piece falsely accused Baldwin's pregnant wife, Hilaria Thomas, of tweeting during the funeral of James Gandolfini. The rant is still causing a stir for the 30 Rock star, as conservative activists demand that Capital One drop him as a spokesperson due to the homophobic nature of his tweets. Baldwin has since apologized for his language but not for defending his wife. \n\n\n\n\n\n\n\n\n\n\n3. Directioners vs. British GQ\nHell hath no fury like a fandom scorned. British GQ got a taste of that hell when the magazine released its One Direction covers in July. The tagline under Harry Styles' cover, \"He's up all night to get lucky,\" evoked such rage from Directioners that GQ's servers couldn't handle the influx of hate tweets. \n\n\n\n\n\n\n\n\n\n\n4. Perez Hilton vs. Amanda Bynes\n\nIt was only a matter of time before these two butted heads. After Hilton posted a photo from an alleged eyewitness who spotted Bynes jumping on a trampoline, Bynes replied with her usual onslaught of \"ugly\" tweets. Eventually, Bynes insisted Hilton commit suicide. No stranger to death threats, Hilton expressed his concern for Bynes and his hope that she receive treatment. \nOn May 31, Bynes eventually retracted her statements about the blogger, saying, \"you're not ugly! I was lying because we haven't talked in person in a long time. Please stop being mean on twitter! Thx!\" \nHow nice. \n\n\n\n\n\n\n\n\n\n\n\n5. Perez Hilton vs. will.i.am\nIn one of the most famous Twitter feuds of all time, Perez Hilton ended up with a black eye after calling will.i.am of the Black Eyed Peas a \"f***cking f*ggot.\" While it's unclear who exactly gave Hilton the shiner, will.i.am posted a vlog insisting it was not him. Regardless who actually threw the punch, Hilton took to Twitter to seek help from the police. You know, because 911 is too old school. \n\n\n\n\n\n\n\n\n\n\n6. Perez Hilton vs. Lady Gaga\n\nIn a more recent Twitter feud, Hilton found himself on the wrong side of Lady Gaga's little monsters when he was seen in the lobby of Gaga's apartment building in New York. Gaga accused Hilton of stalking her, despite his insistence it was nothing more than innocent house-hunting. Gaga's fans also let their claws out, voicing death threats and derogatory comments about Hilton's six-month-old son. \nHilton, who was once friends with the pop star, insisted that the \"real\" Lady Gaga was different than her public persona, calling her \"cruel\" and insisting he was \"still healing, removing your knife from my heart\" after the two's apparent fallout. \n\n\n\n\n\n\n\n\n\n\n\n7. Rob Kardashian vs. Rita Ora \n\nPlenty of celebs take to tweeting after a breakup, but it's hard to beat a Kardashian when it comes to drama. Rob K took to the Twittersphere to bash ex Rita Ora, saying she cheated on him with no less than 20 other men. While Ora remained mostly silent on the subject, one errant tweet did surface before it was quickly erased: \"Rob\u2019s d--k was wack, I had to go get it somewhere else.\" \nKardashian didn't take kindly to the insult, hinting he had gotten Ora pregnant. That exchanged remained on the site only briefly before it was taken down. \nOne party who did remain positive throughout the feud? Rob's sister Khloe, who offered some advice: \"Cheaters never prosper @RobKardashian ill be home today... Try and smile little brother.\" \n\n\n\n\n\n\n\n\n\n\n\n8. Chris Brown vs. Jenny Johnson\n\nWhile Chris Brown was no one's favorite person after the abuse scandal surrounding girlfriend Rihanna, one comedienne in particular, Texas-based writer Jenny Johnson, wanted to let the R&amp;B singer know just how she felt about him. A little bit of harassment went a long way, and it didn't take too long for Brown to delete his account, but not before he tweeted: \"Just ask Rihanna if she mad??????\" \nBrown's account has since been reactivated. \n\n\n\n\n\n\n\n\n\n\n\n9. Rhianna vs. Chris Brown\n\nNow that Brown has returned to Twitter, fans can follow his breakup drama with on-again, off-again girlfriend Rihanna. The tumultuous trainwreck that is the Rihanna/Chris Brown relationship just won't go away, with the breakup feud continuing through August. \nRiRi tweeted an image bearing the words \"If I drop all my hoes for you and we still don't work out you owe me some hoes.\" While the sentiment seems pretty clear, Brown's \"She's not mine if she's everybody else's\" tweet definitely left no room for doubt about the reason for the pair's latest breakup.  \n\n\n\n\n\n\n\n\n\n\n\n10. Nick Cannon vs. Chelsea Handler\nAfter the acid-tongued Handler jabbed Cannon's comedy tour, saying: \"I just heard nick cannon is starting a comedy tour. Who\u2019s going to do the comedy?\" Cannon was clearly a little peeved at the tweet, but didn't really let loose until Handler posted a TwitPic of grape soda with the tweet \"pls drink this before you  tweet me again.\" It was at this point that Cannon wilded out (sorry not sorry for that one), letting loose the slew of angry tweets (plus a few more) that you see above. \n\n\n\n\n\n\n\n\n\n\nBONUS: Patton Oswalt vs. John Tesh\nLeave it to Internet favorite Patton Oswalt to create one of the punniest feuds on this list. When radio host John Tesh sent out a request for new hashtag ideas, Patton Oswalt gave a couple of suggestions, none of which seemed up to Tesh's high standards. Read the full conversation here. \n\n\n\n\n\n\n\n\n      window._msla=window.loadScriptAsync||function(src,id){if(document.getElementById(id))return;var js=document.createElement('script');js.id=id;js.src=src;document.getElementsByTagName('script')[0].parentNode.insertBefore(js,fjs);};\n_msla(\"//platform.twitter.com/widgets.js\",\"twitter_jssdk\");"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/12/25/justin-bieber-retirement-tweet/>