UFC fighter and "Ultimate Fighter 9" winner Ross Pearson was arrested on suspicion of DUI this weekend in Vegas ... TMZ has learned.

Law enforcement sources tell us, Ross was pulled over around 4AM early Sunday morning when police noticed his car swerving on the road.

When police approached the vehicle, we're told they observed signs Ross had been drinking and asked him to get out of the car -- where they administered a field sobriety test.

According to law enforcement, Ross performed miserably on the test and was placed under arrest on suspicion of DUI.

He has since been released. Calls to Ross were not returned.

Katrina Darrell -- the girl who infamously auditioned for "American Idol" back in 2009 wearing just a bikini -- has been charged with hit-and-run while driving under the influence ... TMZ has learned

According to the charging docs, obtained by TMZ, Katrina has been charged with one count of DUI, and two counts of misdemeanor hit and run.

If convicted on all counts, she faces up to 2 years behind bars.

TMZ broke the story -- Katrina was arrested last month after allegedly running a red light and smashing into another car. According to police, Katrina attempted to flee the scene ... but was pulled over down the street by a cop who heard the crash.

Back at the police station, an officer administered a breathalyzer -- and Katrina blew a .15 and a .17 ... roughly double the legal limit in California.

Katrina has adamantly denied both driving drunk and fleeing the scene.

Bobby Brown won't face any additional jail time for his DUI arrest last month -- after copping a plea deal with prosecutors.

Bobby pled "no contest" today to one count of driving with a blood alcohol content of .08 or higher. In exchange, prosecutors dropped the DUI charge.

Bobby was sentenced to 36 months of summary probation and one day in county jail -- which he already served after his arrest.

Bobby must also complete a 90-day alcohol program.

TMZ broke the story ... the singer was arrested last month after cops noticed he was driving while talking on his cell phone. Once pulled over, police claim he reeked of alcohol. During the field sobriety test, Bobby blew a .12 -- and in California, that's legally drunk.

"Scarface" actor Angel Salazar -- the guy who played Tony Montana's cocaine-retrieving amigo Chi Chi -- was arrested for DUI in Brooklyn last week ... TMZ has learned.

According to court records ... Chi Chi was behind the wheel of a 1999 Volvo Sedan which was seen swerving all over the road just after midnight on Thursday.

When cops approached the Volvo, officers say Chi Chi appeared hammered and reeked of booze.

Chi Chi eventually took a breathalyzer test ... which showed his blood alcohol level was a .121 ... well above the .08 limit. The actor was arrested on the spot and hauled to a nearby jail ... where he was booked on 3 counts of DUI.

TMZ spoke with Chi Chi ... who admitted he had been drinking earlier that night ... but says he simply didn't believe he was too intoxicated to drive.

Chi Chi says he thought he may have gotten off the hook when one of the officers recognized him from the movie ... and pulled up the actor's photo on his cell phone -- but no cigar.

He is currently out on bail and awaiting his court date.

Say goodnight to the bad guy. 

Porn star Lucy Lee took a serious pounding Friday morning after another car smashed into her Mercedes -- but law enforcement sources tell TMZ, Lucy was wasted ... and the accident was all her fault.

Sources tell us, Lee was driving in L.A. around 1AM when she pulled an illegal maneuver, causing another vehicle to plow straight into her ... car.

When police arrived at the scene, we're told they detected a strong odor of alcohol on Lee's breath -- so they administered a field sobriety test ... which she bombed.

Lee was arrested on the scene and brought to the police station -- and according to sources, she blew over twice the legal limit on a breathalyzer.

Lee was released on bail Friday.

TMZ has obtained Amanda Bynes' mug shot ... taken moments after she was arrested for DUI in West Hollywood this morning.

Bynes appears to be in full makeup ... sporting an ashy pink dye job ... and a black blazer. 

As we previously reported, Bynes allegedly swiped a cop car as she was trying to pass.  Cops believe she was in no condition to drive.

Bail has been set at $5,000. She's still behind bars.


10:30 AM PT: Amanda has been released from jail in West Hollywood. On her way out, we asked if she's learned her lesson -- she doesn't say a word.

Amanda Bynes was arrested for DUI in West Hollywood early this morning ... TMZ has learned.

Law enforcement sources tell us, Bynes was attempting to pass a cop car in her black BMW ... when she sideswiped the right rear panel of the vehicle. She was pulled over and cops determined she was not fit to be behind the wheel.

We're told the 26-year-old actress was busted at 3 AM ... she's still behind bars.

According to her booking sheet, Bynes is 5'7" and 125 lbs. Her bail has been set at $5,000.

Bynes has been frequenting the Hollywood party scene recently, hitting up several clubs over the last few weeks.

Just last month -- on St. Patrick's Day -- TMZ cameras saw Bynes leaving Greystone Manor, and thought she appeared to be extremely intoxicated. One of our cameramen even warned the valet not to let Amanda drive, but she got into the driver's seat anyway ... and took off (below).



A week before that, Amanda bolted from a cop while he was writing her a ticket. She was pulled over for talking on a cell phone, and while the cop was writing her up ... she drove away.

Amanda later swung by the police station and signed the ticket. So far, she hasn't faced additional charges stemming from that incident.


We just got Amanda's mug shot ... it's to DYE for!

Infamous "American Idol" bikini girl Katrina Darrell plans to fight all the charges against her stemming from her DUI arrest yesterday, saying she did not flee the scene of an accident and claiming she wasn't even drunk at the time!

As TMZ first reported, Darrell was busted just after midnight in Los Angeles on Friday for fleeing the scene of an accident and failing a breathalyzer test with blood alcohol level of twice the legal limit. Katrina had told police she was in a rush to get her mother to the hospital.

But Katrina's manager, Michael Blakey, tells TMZ Katrina was indeed taking her mother to the hospital because she had taken a nasty fall at home and was bleeding from the head.

Click here... it's not over yet

Race car driver Chris Rado has a driving related problem that has nothing to do with a pro race -- he's been busted for suspicion of DUI.

According to our sources, Rado was pulled over for an unknown traffic violation early Friday morning. We're told officers detected an odor of alcohol, so they administered a field sobriety test ... the results of which were enough to book him on misdemeanor suspicion of DUI.

Rado was held on $5,000 bail, which he posted Friday afternoon. 

Calls to Rado were not returned.

Katrina Darrell -- the chick who famously auditioned for "American Idol" in a bikini back in 2009 -- was arrested this morning for DUI ... TMZ has learned.

According to Pomona PD Sgt. Patrick O'Malley, the 24-year-old singer ... also known as "Bikini Girl" ... was arrested in Los Angeles at 12:16 AM ... with her mother in the passenger seat.

Darrell allegedly told police she was en route to a nearby hospital ... because her mom had fallen down at home.

But while Katrina was driving to the hospital, she allegedly ran a red light and smashed into another vehicle.



Darrell allegedly tried to flee the scene ... but a nearby officer who heard the crash responded and pulled over Katrina's 2004 Toyota Camry.

When the officer approached Katrina, he smelled booze ... and gave her a field sobriety test. She performed poorly ... and was arrested for DUI.

Katrina -- who was crying hysterically during the arrest -- was hauled to a nearby police station ... where she took a breathalyzer test ... and blew a .15 and a .17 ... WAYYYY over the legal limit, .08.

Katrina was eventually cited and released just after 6AM. As for her mom, an ambulance was called to the scene of the arrest ... but her condition is unclear.

Things could get worse for Katrina ... we're told she could also face charges for hit and run for allegedly trying to flee the scene of the initial accident.

We reached out to Katrina for comment -- so far, no response.

‘American Pie’ actor Chris Klein says he had such a terrible problem with alcohol ... it nearly killed him.

TMZ broke the story ... Klein was arrested in 2010 for driving on an L.A. freeway with an EXTREMELY high blood-alcohol level ... and checked into rehab shortly after the bust.

Now, Klein is telling People.com ... if he didn't get help, "I would have died, and I think about that every single day.”

Klein says his drinking "got to the point where I was a fragile shadow of the young man that came into this business. Today, I'm the luckiest guy alive”