Fans know that another Duggar is getting hitched in the person of Jinger Duggar, but how it all happened will be revealed in "Jill and Jessa: Counting On" season 2.

A promo for the return of the TLC reality series shows her now-fiance Jeremy Vuolo pop the question to the 22-year-old, who looks surprised. More about her and Vuolo's love story will be told in "Jill and Jessa: Counting On" season 2.

"From both of us, thank you all for the countless well-wishes we've received during the courtship. We are so excited to take this next step in spending our lives together," the couple said in a shared statement.

"We are so grateful for how the Lord has brought us together. It has been an incredible journey so far and we are excited about serving Christ together in the coming days," they went on to say.

Meanwhile, as Jinger takes her first step to a new chapter of her life with Vuolo, Jill and Jessa are also busy with expanding their families.

Jessa and her husband Ben Seewald are thinking of pushing through their plans to adopt. The two have always plan to do so and it looks like they finally will in "Jill and Jessa: Counting On" season 2.

Also, the promo also hinted that Jessa and her husband Derrick Dillard are ready to give baby Israel a little brother or sister "before next year," as Dillard suggested.

Meanwhile, it is rumored that Anna Duggar won't be in "Jill and Jessa: Counting On." The rumors started when she was not featured in the trailer.

Anna was heavily featured in the first season where she talked about Josh and his scandals that got "19 Kids and Counting" cancelled.

"Jill and Jessa: Counting On" season 2 premieres Tuesday, Aug. 23 at 8 p.m. ET on TLC.