Kailyn Lowry and Javi Marroquin recently celebrated the 3rd birthday of their only child, son Lincoln Marshall Marroquin. According to a new report, the "Teen Mom 2" couple, who has been feuding publicly for months since their split earlier this year, put their differences aside over the weekend as they attended a party in honor of their toddler.

On November 19, In Touch Weekly magazine revealed both Lowry and Marroquin had taken to Snapchat to show off nearly identical photos of Lincoln's white and blue birthday cake, which included a big "3" candle on top. "[Kailyn] even shared a photo of [Javi] blowing out the birthday candles with Isaac and Lincoln," the magazine explained to readers.

Kailyn Lowry also shares an older son, Isaac, with her ex-boyfriend, Jo Rivera, who welcomed his second child with Vee Torres earlier this year. During her marriage, which ended months ago after about 3 years, Marroquin grew extremely close with Isaac and even after their split, he has maintained a consistent and healthy relationship with the boy.

Could Kailyn Lowry and her husband get back together?

While many fans would like to see Lowry and her husband reconcile their relationship, it doesn't look like they are headed in that direction. In addition to the fact that they have been estranged for several months, Lowry recently took aim at her relationship with Marroquin in her new book and Marroquin is said to be working on a tell-all as well. That said, their joint celebration for Lincoln over the weekend seems to hint that the former couple has made tons of progress when it comes to their co-parenting relationship in recent months -- and that's a beautiful thing for their young son and his older brother.

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To see more of Kailyn Lowry and her husband, be sure to tune in to the upcoming season of "Teen Mom 2." Although a premiere date has not yet been set for the upcoming installment, the cast has been filming for weeks and recently traveled to New York City to film the series' follow-up specials.