The shock eviction comes after beef between Mon and fellow contestant Abbie Chatfield hit fever pitch on Wednesday night, when Abbie told Matt that Monique had been bad-mouthing him behind his back.
"She called you a dog c--- and a disrespectful pig" the 23-year-old shared during their one-on-one date.
After Monique swore up and down that she definitely, 100 percent would not and did not say those things (or was it that she didn't remember saying it? Or didn't remember the context she said them in? We're a bit lost right now...), Matt just couldn't deal anymore.
"For me, trust is such an integral part of a relationship," a devastated Matt told Monique.
"But now, as far as I'm concerned, the trust is severely damaged, and I'm trying to understand how exactly we move past that."
"I felt feelings for you. I feel as though this was something pretty small that we could've addressed in a short conversation that snowballed into just lies and a lack of trust."
Reckon Mon will be able to bounce back?
In a word (from Matt, so pretty concrete): no.
"I think it's for the best that you leave the mansion," he says. "I'll walk you to the car."
Poor Matt's a teeny bit heartbroken over saying goodbye to the lingerie designer - but with so many other amazing girls in the house to pick from, he says he's ready to focus on what's in front of him.
Not surprisingly, Mon's pissed - and blaming Abbie for the whole shamozzle.
"I bet Abbie will start crying, play the victim card. 'Oh my God, I didn't want this to happen! No!' She is just so messed up."
"I just hope she gets help. Grows out of it, maybe. Who knows? There is no point in reasoning with an idiot.
We have to admit... we're a little sad now that Monique's gone. We were living for that drama!