Megan Fox and her ex, Brian Austin Green haven't exactly had the easiest of relationships, and now she's cozied up with a new man, Green has taken to Twitter to well and truly savage her...

Brian Austin Green has well and truly roasted Megan Fox.

via: Getty Images

He really didn't hold back...

Born in 1986 in Oak Ridge, Tennessee, Megan Fox is a model and actress.

She rose to fame in the early '00s in the Hope & Faith sitcom, and quickly gained a lot of public attention.

She's probably best recognized for her roles in the Transformers movies.

Fox played Mikaela Banes, the love interest of Shia LaBeouf's character. However, she was dismissed from the franchise after comparing working under director Michael Bay as like working for Hitler.

But for many, Fox has a different defining role.

She played the titular character in 2009's Jennifer's Body - a demon who feasts on the blood of teenage boys.

Alongside her acting talents...

Fox is also known for something else - being super sexy. I mean, she is utterly gorgeous, but has also sadly fallen into Hollywood's list of objectified women which she herself has complained about in her youth.

Fox has had a longstanding love in her life.

She first met Brian Austin Green (an actor from the original 90210) in 2004, when she was just eighteen. They dated on and off for 6 years before tying the knot in June 2010, in a ceremony in Maui.

The pair have 3 kids together.

Bohdi Ransom Green, Journey River Green, and Noah Shannon Green.

It's clear Fox loves being a mom and we love her more for it.

She frequently posts images of her adorable kids on her Instagram page.

The duo met while on the set of Fox’s former sitcom Hope & Faith when Green guest-starred in an episode.

At the time, he was thrity and she was eighteen. Bit of an awkward situation, but hey, it was a job.

Fox admitted that she "liked him right away," they seemed to have instant chemistry...

“Everyone was around the monitor watching a scene, and Brian accidentally touched my leg. I remember literal electricity shooting through me and out me from every direction. It was like magic."

In August 2019, Green admitted that he initially rejected Fox’s advances when she first showed interest in the star.

“She was really young, and I was like, ‘This isn’t this. This can’t f–king happen. This isn’t going to happen, no way,’" he said. “So I left, and she was just really persistent — and thank God."

But sadly, back in May, the pair called it quits.

via: Getty

Brian Austin Green confirmed that the couple of over 10 years had split.

As hard as it is, it seems as though they need to be apart.

via: Getty Images

“I will always love her," the California native said at the time. “And I know she will always love me and I know as far as a family what we have built is really cool and really special."

They vowed to do all they can to make it as normal as possible for their kids...

Green explained that the pair will “still do family vacations and holidays as a family and really make that a focus for the kids."

Green got choked up reminiscing...

He added, “It sucks when life changes and something that you’re used to, that you’ve been doing for 15 years, you try and not get rid of but you change. There’s the unknown aspect … there’s that pit in my stomach … I really don’t want Megan and I to be at odds … she’s been my best friend for 15 years and I don’t want to lose that."

But he also spoke about someone new on the scene...

That's right. Machine Gun Kelly. He revealed that “she met this guy, Colson, on set … I’ve never met him … Megan and I have talked about him. They’re just friends at this point."

Fox and Colson have previously been spotted getting chummy in a car amid the breakup of Fox and Green's marriage.

via: Twitter

It was speculated that the pair were “staying in separate homes" during the pandemic.

But even though their label was not official at the time, the rumors continued to flourish.

There was no way that these 2 were "just friends" and we have new evidence to prove it.

Machine Gun Kelly even released a new music video that Fox appeared in.

And boy did it spark a commotion.

In the video, you can see the 2 getting pretty intimate.

Titled "Bloody Valentine," it consists of everything you would probably want it to, from aesthetic visuals to partial nudity.

Our suspicions were finally confirmed in June.

In pictures obtained by MailOnline, the pair could be seen getting into Kelly's convertible Cadillac Eldorado, where they were pictured kissing in the front seats. Looks like that's the deal sealed then!

Fox has no qualms in showing off her new man.

And her latest post was no exception. "Achingly Beautiful Boy... My heart is yours," she captioned the loved up snap.

After seeing the picture...

Green took to Twitter to well and truly shade her.

He tweeted out the savage message to his followers.

And he really didn't hold back, soliciting quite a response from fans.

Making a quip at Fox's Instagram post caption, he tweeted this

out, along with snaps of his kids:
Yikes. For more on Megan Fox, keep scrolling to find out why people are now apologizing for making fun of her thumbs...