Teen Mom OG

Sure, we all knew it was coming.

But there was still something shocking about witnessing the build-up and aftermath of Amber Portwood's arrest for domestic violence.

Mackenzie McKee has left her husband.

This is a development that comes as not much of a surprise to anyone who has been watching Teen Mom OG.

After all of the pointless mom-shaming that Catelynn Lowell has endured, it's great to see something positive.

And it doesn't get more positive than the unspeakably adorable photo of Vaeda that Catelynn shared.

It's been a long and winding road, but she finally made it.

After years of being passed over for a promotion by the network that made her semi-famous, Mackenzie McKee is officially a member of the Teen Mom OG cast.

Tyler and Catelynn Baltierra are raising two little kids at home.

But these reality stars are actually the biological parents of three kids, having given up a daughter named Carly for adoption back when they were teeangers because they didn't feel prepared for parenthood at the time.

... and she's back!

On Monday night's brand new episode of Teen Mom OG, Mackenzie McKee made her return to the franchise that made her semi-famous all those years ago as a cast member on Teen Mom 3.

Tyler Baltierra is determined to prove that he still loves Catelynn Lowell, and he's not doing a bad job of it.

On Sunday's Teen Mom OG, Catelynn opened up about her desire to stop breastfeeding baby Vaeda.

Amber Portwood ...

It's just not a great situation right now, everything that's been going on with her.

We cannot say for certain whether or not Andrew Glennon has been cheating on Amber Portwood.

New allegations against Glennon have surfaced in recent days, as the reality star battles his estranged girlfriend in court following her arrest for domestic violence.

In the wake of Amber Portwood's arrest for felony domestic violence, multiple relevant questions have been bantered about by fans.

Foremost among them?

If you're a Teen Mom OG fan, it probably feels like the show is a constant topic of discussion on social media and in the tabloids.

So it can be hard to believe the long-running series pulls in far fewer than 1 million viewers per episode.

In a way, modern reality stars live two lives concurrently.

There's the storyline we see on our TV screens that provides in-depth detail about events that took place several months ago -- and then there are the social media posts that provide up-to-the-minute updates on what the stars are doing right now.

Their trial separation did nothing but prove that Catelynn Lowell and Tyler Baltierre really do love each other.

But the time that they spent apart was difficult, especially because Catelynn was pregnant at the time.

Debra Danielsen is the mother of Farrah Abraham.

And even though Danielsen's polarizing daughter recently trashed Amber Portwood in the wake of her arrest for domestic assault, Debra is here to offer Amber some parental advice.

Amber Portwood may have already made her final appearance on MTV.

The embattled reality star has not made any public statements in about two weeks, not since she was arrested on three felony counts of domestic assault after allegedly attacking boyfriend Andrew Glennon.

Amber Portwood is in A LOT of trouble with the law.

She has been charged with three felonies after allegedly attacking boyfriend Andrew Glennon... while he was holding their one-year old son... and she did so with a machete.

Amber Portwood will be living a very lonely existence over the next several days, weeks and maybe even months.

This, after a judge handed out a harsh -- albeit understandable -- ruling to conclude Portwood's hearing on Wednesday, five days after she was arrested for felony domestic violence.

This week's brand new episode of Teen Mom OG proved an old quote by William Shakespeare to be more accurate than ever:

What's past is prologue.