Whitney Houston -- Bobbi Kristina Denied Access to See Whitney's Body

Whitney Houston's daughter Bobbi Kristina got into an angry shouting match with police officers outside the hotel room where her mother was found dead ... TMZ has learned.

According to law enforcement sources ... Bobbi Kristina showed up on the 4th floor of the Beverly Hilton several hours after Whitney's death. We're told when officers informed her no one was allowed to see the body -- BK screamed, cursed and demanded to see her mother.

Ultimately, she was not allowed into the room and left. We're told Whitney's cousin Dionne Warwick also showed up later. She too was turned away by officers.