Twoppics, the stories behind the hottest topics on Twitter.

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Hot twoppic of the moment are R&B stars Usher and Chris Brown who teased on Twitter a co-headlining tour. Speculation began when producer Bryan - Michael Cox revealed during Jermaine Dupri's "Living the Life" YouTube show that Usher and Brown were planning to tour together. @chrisbrown then tweeted What would you guys say if me and usher went on tour?, RT #CBUSHERTOUR if u want it to happen. Low and behold, all the retweets made the hashtag a trending topic.

Hot twoppic of the day is on again - off again star quarterback Brett Favre, who looks to be back on for another season in the NFL. FOX News Radio's Jeff Monosso has more.

Hot twoppic of the week is the 2010 MTV Video Music Awards , after more performers were announced. Justin Bieber and B.o.B. will make their performance debuts.  They will join Kanye West, Drake and Florence + The Machine, also taking the stage. The MTV Video Music Awards will air live on Sunday, September 12th.

This is @TheKateMalloy and those are your hot @Twoppics on FOX News Radio.

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