Lady Gaga has canceled four tour dates due to an injury.

+ Lady Gaga has canceled four tour dates due to synovitis (severe inflammation of joints), which she tweeted was a show injury that she's had for a while but was hiding, adding, "However after last nights performance I could not walk and still can't." Get well soon, Gaga! (MTV News)

+ Watch Azealia Banks drop a NSFW verse from "Red Flame," a collabo with Lady Gaga that's expected to be on her forthcoming album, ARTPOP. (Idolator)

+ OMG, Justin Timberlake and Jay-Z may be going on tour together! According to the New York Post, Justin said, "We're definitely going to go on tour," as he walked the Grammy red carpet. It isn't specified who the "we" is, but it's speculated it'll be with Hova. Here's hoping it happens. (MTV News)

+ Ke$ha will headline the NBA All-Star Pregame concert on Sunday. Ludacris and B.o.B are also performing, and the set airs at 6 p.m. ET on NBA TV. (Billboard)

+ J. Cole's forthcoming second album, Born Sinner, has been postponed again. In the meantime, he'll release his Yours Truly EP as a free download. (RapFix)

+ Lil Wayne will show some Valentine's Day love when he drops his "Love Me" video on Feb. 14. The video premieres tomorrow at 6 a.m. ET on MTV, MTV2, Jams, Hits, and mtvU. Check out a teaser. (MTV News)

+ Because there will never be such a thing as  too much shirtless Adam Levine, take a look at the Maroon 5 singer's swoonworthy abs, which adorn the cover of Hollywood 7's Icons issue. (E!)

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