Chris Brown caught a huge break in his D.C. assault case.

Over the weekend, Brown was arrested for felony assault in Washington D.C. after he allegedly attacked a man outside a hotel and broke his nose following an argument. There are, however, two conflicting sides to the story.

Chris’ people say the guy tried to get on his tour bus, Chris’ bodyguard stopped him from doing so and Chris didn’t punch anyone in the face.

But the guy says Chris punched him in the nose after he photobombed a picture the singer was taking with some girls, telling the man “I’m not down with that gay sh*t … I feel like boxing” before throwing the alleged punch.

According to police, the victim was treated for a “fractured nasal bone” after the incident on Sunday, which landed Chris behind bars overnight because he couldn’t see a judge until the following Monday.

Along with his bodyguard, Chris was released from jail Monday afternoon after pleading not guilty, and the judge reduced his assault charge from a felony to a misdemeanor because of the conflicting eyewitness accounts and the fact that the victim’s injuries were said to be minor.

Chris had originally been ordered to take a drug test too, but the judge canceled that order. He’s also required to stay at least 100 yards away from the victim.

Chris isn’t totally out of the woods yet though. Because he is still serving a five-year probation sentence for beating Rihanna in 2009, there is a possibility that the D.C. incident could result in his probation in California being revoked.

Before Brown’s arraignment, the L.A. County Probation Dept. had launched an investigation into his arrest to determine whether or not it violated his probation in the Rihanna case.

Sources familiar with the situation tell TMZ … Probation officials have been in contact with D.C. authorities. Probation investigators will conduct their own investigation, and determine if there’s good reason to believe Brown committed a crime when he allegedly punched a man in the nose Sunday morning.

The Probation Dept. will submit its report to the judge in the Rihanna case, who will decide if Brown’s probation should be revoked. Worst case scenario for Brown — 4 years in prison for a probation violation.

Chris Brown is so very, very draining. Although he was an obvious ticking time bomb, it’s still unfortunate to see your fears for another person realized.

Someone get this boy a therapist, anger management coach and a sponsor stat. Should he go to jail — and oh, I’d so go with that theory right about now — may he get his Eat, Pray, Love on once he’s released. So much talent being wasted.

In any event, more details are pouring out from his arrest. As of Monday morning, he was still sitting in a D.C. jail cell, presumably fighting the urge to turn into a green monster ready to wreak havoc on the world. Poor thing.

From the Washington Post:

Brown was in Washington for an appearance Saturday night at the Park nightclub on 14th St. N.W., one of many unofficial parties celebrating Howard University’s Homecoming weekend.

Park owner Marc Barnes said Brown was at the club until 2:30 a.m. Sunday and “everything was fine when he was here.”

But two hours later, following an after-party that the singer attended, things seem to have turned ugly.

Brown and friend/bodyguard Christopher Hollosy, 35, got into a “physical altercation” with the unidentified man around 4:30 a.m. in front of the hotel, reports our colleague Ann Marimow. The alleged victim was taken to a nearby hospital and later released.

What actually went down is unclear. TMZ reports that two women approached Brown and asked for a photo with him; at the last second, two men jumped into the shot.

The singer took offense, allegedly telling one of the men, “I’m not into this gay sh*t, I’m into boxing” before throwing a punch. The man told TMZ his nose was broken and may require surgery.

A person close to Brown’s camp disputes that account, telling the Post that the picture story is “nonsense” and that the incident started after the man tried to follow the two women onto Brown’s tour bus, leading to an altercation.

“That’s what started this,” said the person, who would speak only on condition of anonymity because the investigation is continuing.

Hmm…. whose side do you believe?