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+ Justin Timberlake's grandmother, Sadie Bomar, confirms that he and Jessica Biel are engaged. "He called me on Christmas Day and told me he's engaged," she revealed. Congrats, and thanks for spilling the beans, Nana! (MTV News)
+ As we mentioned, Jason Derulo fractured his neck while rehearsing for his upcoming European tour. The injury led him to cancel those dates. "I'm praying for a speedy recovery in order to perform for you in the near future," he said in a statement. (E!)
+ Rick Ross' "Rich Forever" mixtape drops today, apparently at 3:05 p.m. It features collabs with Drake, Nas, Kelly Rowland, Diddy, Pharrell Williams, John Legend and more. Peep the official track list. (Rap-Up)
+ Jack White has paired with wide-ranging folks from Insane Clown Posse to Stephen Colbert. Next up for his Third Man Records 7-inch singles series is the 71-year-old icon Tom Jones. (Rolling Stone)
+ The Weeknd's mixtape trilogy -– "House of Balloons," "Thursday," "Echoes of Silence" -- were remixed, chopped and screwed by Slim K. Get 'em here. (Pitchfork)
+ East Coast, West Coast, no matter. From Notorious B.I.G. to Dr. Dre, when it comes to rappers they're unified in their love of spelling in songs, their names to be specific. Watch this "Rapper Spelling Bee" video for a rapper's ABCs refresher course. (Idolator)