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Justin Bieber has been releasing a steady stream of impressive R&B-leaning pop for his recent 10-week-long #MusicMonday campaign—including the song "Hold Tight," which made our Best Songs of 2013 list. But it looks like the series is about to get a lot more interesting. Earlier today, Bieber and Chicago's Rookie Of The Year Chance The Rapper exchanged a pair of tweets (see below) hinting that the next week's release is a collaboration between the two. Complex has been told by an anonymous source that the song, which should be the final in the series, is called "Confident"—and that it's one of two songs the two artists have recorded together.

Immediately after Bieber fired off his "we are next" message to Chance, he tweeted again at the rapper, as well Lil Wayne, Diplo, Big Sean and R. Kelly: "[T]he[y] have no idea what is coming. #journals". Our source tells us that this is a massive collaboration with all the listed artists called, you guessed it, "Journals," slated to come out the week following #MusicMonday's initially-reported finale. All of this is in anticipation of Bieber's second documentary film Believe, which is out Christmas Day.

@justinbieber it's so damn good.

— Chance The Rapper (@chancetherapper) December 2, 2013

@chancetherapper @BigSean @diplo @LilTunechi @rkelly the have no idea what is coming. #journals

— Justin Bieber (@justinbieber) December 2, 2013

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