Now that Jill Duggar and Derick Dillard have tied the knot, fans of "19 Kids and Counting" are rooting for Jessa Duggar and Ben Seewald to go down the aisle as well. However, many people are starting to speculate that Jessa and Ben are actually engaged already.

Sister Jill's Instagram post didn't help in silencing the rumors. She posted "Lunch with my sweet sis @jessaseewald today! #jessaseewald #jillmdillard #sisterlunch" Followers immediately noticed the hashtag. Why is Jill using Seewald's surname on her sister's name when they're not yet married?

The post is indeed controversial and it helped fuel the speculation that Jessa and Ben may already be secretly engaged already. Or maybe, Jill was just being sweet and cheeky. Anyway, it's highly likely that Jessa will end up with the Seewald surname.

Meanwhile, there's another controversy that Ben is involved in, which centers on his comment about Catholicism. He recently made a comment on his Facebook page, which sparked negative reaction and comments from Catholics.

As a reaction, Ben wrote "I have nothing against individuals who are Catholic ... I know a lot of Catholics who are great people. What I DO have a problem with is the teaching that man can merit God's favor through his own works or the works of other fallen men. ... I DO have a problem with the teaching that man can come to God through Mary or any other person besides Jesus... "

He continued, "I DO have a problem with the deification of Mary as a sinless being. Mary herself admitted her need for a Savior. If she had no sin, she would need no Savior...My conscience is captive to the word of God. Where my Catholic friends adhere to God's Word, I adhere. Where they depart from Scripture, I will in no way support, but will call them out because I love them and desire that they be turned from their deadly errors."