'Teen Mom 2' Season 7 Trailer, News & Update: What's In Store For Jenelle Evans, Chelsea Houska & Kailyn Lowry?

A lot has happened to Jenelle Evans, Chelsea Houska, Kailyn Lowry and Leah Messer since "Teen Mom 2" concluded its sixth season last fall. MTV has just released the "Teen Mom 2" season 7 official trailer, giving fans a sneak peek into the drama where the previous season left things off.

By the end of "Teen Mom 2" season 6, Chelsea Houska and her boyfriend, Cole DeBoer, decide to take their relationship to the next level. Houska's boyfriend of one year moved in with Chelsea and her 6-year-old daughter Aubree, whose father is Adam Lind.

Things take a turn when Chelsea Houska says yes to DeBoer's proposal shortly after the two moved in, as reported by HNGN. "We're getting married," Houska was seen telling her fiancé in the "Teen Mom 2" season 7 trailer.

Chelsea Houska Engaged To Boyfriend Cole Deboer See The … : https://t.co/cjENz7rca8 .,, pic.twitter.com/Y539uNSluh

— Lucy Baker (@Lucy89Baker) February 8, 2016

Kailyn Lowry and husband Javi Marroquin openly gave fans a look into their troubled marriage in season 6. After being able to regain a stronger relationship, the two revealed in the "Teen Mom 2" trailer that they had recently gone through a miscarriage.

"You know how much I wanted that baby," Marroquin told Lowry, who reacts in shock. The United States Air Force member drops another bombshell when he says he's being deployed. "I can't believe I'm not gonna see you," he continued to tell his wife as the cameras caught the heartbreaking goodbye on video.

@JaviM9 left speechless on #MattBaier's tweets dissing his wife's face https://t.co/kCEEkVTEL8 — PopcultureGirl (@popculturegirl4) February 26, 2016

In other news, the "Teen Mom 2" stars recently got into a heated Twitter fight. According to MStars News, the fight resulted in Jenelle Evans threatening to leave the show, although that's unlikely.

"Teen Mom 2" returns to MTV for its seventh season on Monday, March 21 at 10/9PMc. Watch the promo below to see what's in store for Jenelle Evans, Chelsea Houska, Kailyn Lowry, and Leah Messer!