Rich Mafia, 20-Year-Old Miami Rapper Shot Dead, Wiz Khalifa Sues Promoter & More

20-year-old Kenneth Casilla, aka Rich Mafia, is the latest Miami rapper to fall victim to gun violence. Casilla was shot to death last week in an apartment complex parking lot in Little Haiti. [AllHipHop]

Wiz Khalifa is reportedly suing a concert promoter for $1 million for damaging his credibility by canceling a December concert at George Mason University in Virginia. Hard to take Wiz's concern for his credibility seriously, when his stylist has yet to be brought up on charges. [E!]

Tyler, the Creator recently revealed that he and Frank Ocean wrote a song for Justin Bieber, but were rejected. "I've got so many beats and songs, but no one's giving me a chance yet," Tyler lamented in a recent interview. "I want to take Justin Bieber for a month and just lock him up in a cage where we sit and make music. He's one of the most successful people in the world, but his music could be so much tighter." That sounds like a terrible idea. [Billboard]

Jay-Z has signed on to executive produce and contribute music to Baz Luhrmann's updated version of The Great Gatsby, which will reportedly also feature a Beyonce and Andre 3000 cover of Amy Winehouse's "Back to Black." Whoa. [ConsequenceofSound]