On Thursday’s all-new Teen Mom: The Subsequent Chapter, Gary invited Amber to Leah’s birthday dinner, nonetheless points didn’t go exactly as deliberate after Amber was late to have an excellent time, after promising she wouldn’t be.

“Let’s make bets on how prolonged it ought to take for her to get proper right here,” Leah joked. “She’s always late,” Gary added, sooner than the MTV cameras pan once more to Amber, who’s seen leaving her residence half-hour after the dinner started.

“We’re ravenous proper right here,” Gary acknowledged whereas on a reputation to his ex, who shot once more, “Why are you on me?”

“Correctly, you might be late,” Gary replied. “No,” Amber maintained sooner than sharing her ETA.

Whereas Amber’s punctuality is a few extent of rivalry between the pair, points solely escalated when she lastly arrived and commenced lecturing Leah.

“Have you learnt now, at your age, you need me larger than ever? ‘Set off you might be about to get precise crazy?” Amber knowledgeable an already irritated Leah, who didn’t reply.

The mother of two then revealed she has a model new boyfriend — moreover named Gary — which neither shocked or amused Leah, who merely acknowledged she’s “scared” by the data. And for good trigger, after Amber already had a few tumultuous relationships play out on the current — along with with Andrew Glennon, with which she shares son James, 5.

“Why are you making an attempt like that?” Amber requested, to which Leah protested, claiming she was merely merely ingesting her lemonade and by no means throwing shade the least bit.

Amber appeared to suppose in some other case, however, and commenced chastizing the birthday girl for giving her an perspective, telling her she says points “merely to say it.” She moreover says that Leah brings out primarily essentially the most “sarcastic” facet of her sooner than blaming the 15-year-old for pushing her buttons.

Bringing points once more to her new boo, Amber provided to level out Leah and her sister, Emilee, {a photograph} of Gary — one factor Leah displays no desirous about at first — sooner than asking her mom if she wants a third baby.

Shocked by the question, Amber seems slighted, nonetheless Leah assured her mom she merely wants her to be snug.

“What the f–okay you talkin’ about?” Amber requested. “I didn’t say nothin’ about him,” Leah maintained. “That’s the objective,” a pissed off Amber responded sooner than saying, “That’s her being a dick.”

“See, you make me wanna cuss,” Amber acknowledged sooner than getting a chatting with by Leah, who reminds her mom that she has “self-control” and can reduce the curse phrases if she wanted to.

Whereas Gary had been watching their interaction quietly from all through the desk, there is no doubt his frustration was mounting with the after faculty dinner extending hours later than that that they had deliberate.

“What time is it babe?” Gary requested his partner Khristina. “Why are you asking what time?” Amber then puzzled. “‘Set off she desires to verify for her homework and it’s 6:00,” Gary shot once more, with Amber urging Gary to cool down.

At this stage, however, Gary is isn’t proper right here for it and the exes go at it. “You acquire a problem or one factor?” Amber requested, sooner than together with, “Gary you good?”

However it’s Gary who thinks Amber has the issue, with the co-parents collaborating in a tense back-and-forth that lastly leaves Leah in tears.

“You aren’t gonna act that methodology with me for no trigger and you then definately’re gonna have this big ole perspective with me. So excuse you in your perspective for no trigger,” Amber knowledgeable him. “I’m not having an perspective with you nonetheless you keep going. You do your issue Amber,” Gary responded.

After some establish calling from Amber — who continued to insist that she was not late for the dinner — an emotional Leah is seen crying. Though Gary apologized, Amber requested what he was apologizing for — sooner than Leah knowledgeable them every, “Can you every stop please.”

“Merely stop, every of you,” Leah knowledgeable them every. “Every of that you need to stop.”

Reaching her limit, Leah then left the desk with Khristina and Emilee — sooner than being heard inside the bathroom saying, “I don’t want to do presents anymore.”

That doesn’t stop Amber and Gary from going at it though, with Amber accusing Gary of being the reason their daughter was left in tears on her birthday.

The dinner sadly ended with Gary leaving with Christina and the kids — Amber calling him a “trash bag” as he walked out — and Portwood breaking down in tears over being the one to “blame” on the end of altercation.

“That’s the reason I certainly not have a f–king chance alongside together with her,” Amber acknowledged through tears, signaling that their strained relationship continues to be very so much a chunk in progress.

See the family drama proceed on Teen Mom: The Subsequent Chapter, airing Thursdays at 8:00 p.m. ET on MTV.