Chris Brown Allegedly Leaves Rihanna Bloody and Bruised Before Grammys

Here's Rihanna and her boyfriend Chris Brown looking happy as clams while attending Clive Davis' pre-Grammy bash Saturday night - just hours before Rihanna was found badly beaten by the R&B star.

TMZ reports on the incident which left Rihanna hospitalized and Chris facing felony criminal - and possibly domestic abuse - charges:

'Rihanna made the 911 call to police after Brown "fled on foot" from the scene following the attack. Two officers from the LAPD Wilshire Division found Rihanna in Brown's rented silver Lamborghini "beaten really badly and hysterical."

Brown had taken the keys to the car with him and Rihanna was basically left on the side of the road with the car.

Law enforcement sources tell TMZ Rihanna's injuries were severe -- two "huge contusions" which swelled up on both sides of her forehead. We're told she also suffered "a bloody lip and nose."  One of the law enforcement people put it this way -- the contusions "look like an MMA fighter or something ... [It] looked like she was growing devil's horns."

We've also heard that Rihanna may have suffered bite wounds on one of her legs and arms, however, one source close to the situation tells us he doubts that is the case.'

For obvious reasons, both Rihanna and Chris pulled out of their scheduled Grammy performances yesterday.  And somewhere around the time that celebrities were arriving on the red carpet, Chris came out from the guilty rock he'd been hiding under and turned himself into the LAPD.  He posted $50,000 bail and was released hours later.  

Already, Chris has been dropped from several ad campaigns and has withdrawn from next week's NBA All-Stars game.  Stay tuned for more...