The couple were enjoying a night out at in Hollywood at the Roosevelt Hotel when things quickly turned ugly.
Police confirm there was a brawl that involved Avril and Brody, but no arrests have been made and they're still "sorting out" what happened.
But Avril herself said she was attacked by multiple people and suffered major injuries...
"I don't fight," Avril tweeted yesterday. "I don't believe in it. To clear things up I got attacked by 5 people last night out of nowhere. Not cool. My face is f**ked."
What exactly does that entail? We'll let Avril explain.
"As in black eye, bloody nose, hair ripped out, scratches, bruises and cuts. So not ok to be abusive to others. Violence is NEVER the answer," she concluded.
Ouch! Brody also had a bottle cracked over his head in the melee, a source tells E! News, and got stitches.
Despite the injuries, Avril appeared to be in good spirits by her latest Tweet.
Feel better soon!
—Additional reporting by Sharareh Drury