'Teen Mom 2' Star Jenelle Evans Is Engaged to David Eason -- See the Ring!

The MTV star and Eason welcomed daughter Ensley in January.

Congrats to Jenelle Evans!

The Teen Mom 2 star is engaged to boyfriend David Eason!

Evans took to Instagram on Saturday to announce the happy news, alongside a pic of her new bling.

WATCH: 'Teen Mom 2' Star Jenelle Evans Gives Birth to Baby No. 3!

"We've decided on forever! ??#PerfectTiming @easondavid88," she captioned the snap of herself showing off her diamond sparkler, while Eason gives her a sweet kiss.

WATCH: 'Teen Mom 2' Star Jenelle Evans Shares First Photos of Her New Baby

Evans and Eason, who have been dating since September 2015, welcomed daughter Ensley in January. Baby Ensley joins Evans' two kids from two previous relationships -- 7-year-old Jace and 2-year-old Kaiser -- as well as Eason's two children from a previous relationship.

Ensley has quickly become the star of her mom's Instagram account, as Evans posted adorable pics of her new baby.

"You're my favorite work of art. ??✨ #MilkBath #EnsleyJolie #ErinDietrichPhotography," she captioned a sweet photo of herself and Ensley sitting in a milk bath on Wednesday.

WATCH: ‘Teen Mom 2’ Star Jenelle Evans Flaunts Her Bare Baby Bump the Week of Her Due Date

See more in the video below.