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Jessa Duggar, Jessa Seewald, Instagram

Instagram

It may only be Wednesday, but Jessa Duggar is already throwing back on Instagram!

The 19 Kids and Counting star, who is currently expecting her first child with husband Ben Seewald, took to the photo-sharing site today to post a flashback pic from the now-expectant couple's honeymoon in which the two are packing on the PDA while flaunting their love for each other. 

"Remember back to our wonderful honeymoon! --with @ben_seewald in #Venice," the mama-to-be wrote of the shot which sees the lovebirds sharing a passionate smooch. 

Jessa and Ben tied the knot in an intimate ceremony in Arkansas on November 1, 2014; their first child is due the same day as their one-year wedding anniversary. 

VIDEO: Jessa and Ben hint they might be having twins

Jessa Duggar, Jessa Seewald, Ben Seewald

Instagram

"We are so excited," the 22-year-old reality star told People of their baby-to-be while Seewald, 19, added, "We are looking forward to being parents."

Following the announcement, speculation has run rampant that the couple is expecting twins after a TLC released a clip which seemed to suggest the possibility. 

"You know, pretty soon we'll be making another little smoothie," Jessa says as the two blend two smoothies in their kitchen. 

"Yeah, maybe more than one!" Ben replies before Jessa adds with a smile, "You never know." 

Can't wait to meet the little one(s)! 

PHOTOS: The Duggars' best Instagram pics!