Breaking News: Teairra Mari Arrested For Drunk Driving & Assult Of Police Officer

Law enforcement sources tell TMZ the 23-year-old actress/singer was driving a silver Infiniti through Beverly Hills around 3:00 AM, when she rear-ended the car in front of her.

Police at the accident scene observed "signs of intoxication" from Teairra -- and arrested her for DUI. One person who was at the scene tells TMZ Teairra was "really messed up ... she couldn't even stand."

And it gets worse ... we're told Teairra didn't play nice while she was being booked and became "combative" with one of the arresting officers. Sources tell us one cop suffered a "minor cut" to his hand during the incident.
As a result, Mari now faces multiple charges -- including DUI and assault on a police.

According to law enforcement, Mari is still in custody and bail has been set at $50k.

UPDATE: Teairra has been released from police custody as of 1:10 p.m. PST.