What It Is: A fan went crazy leaving Rihanna AND her body guard injured… Rihanna was leaving a club when the guy started yelling at her.  Sources say he was upset about her relationship withCHRIS BROWN. The bottle didn't hit Rihanna, but she fell against a metal grate while trying to avoid it, and cut her leg.  Rihanna's bodyguard tried to chase the guy, but he injured HIS leg, too, and ended up in the hospital.  The suspect got away. Here are some pictures.

What It Is:  Akon tried to create a Facebook-like platform called  "Fantrace" that allows fans to connect to celebs, but the company claims they never got paid.  ABV says it put in 1,023 hours of work -- worth $127,875 -- and wants to get paid ASAP. 

What It Is: 2 CHAINZ was arrested for marijuana possession on Valentine's Day in Maryland . . . but obviously was released bc we saw him at the All star game in Houston on Sun performing with FallOutBoy - What happened: 2 Chainz was riding in a van with five other people when the police pulled them over.  The cops said they only found weed on 2 Chainz, and that's why he was the only one who was arrested.

What It Is: More tax issues in Hollywood:  Mary J Blige and Snoop Dogg!  MJB has been hit with a $900,000 tax lien in the State of New Jersey.  Blige -- who was JUST sued earlier this month for allegedly defaulting on a $500k bank loan -- is now on the hook for $901,769.65 in back taxes.  And the IRS claims rapper Snoop Dogg owes more than $546k in unpaid tax bills.  According to the docs, Snoop owes for two separate years, 2009 and 2011.