Priscilla Robertson is showing off her baby bump.The "Duck Dynasty" alum, whose parents are Jessica and Jep Robertson, shared her first full reveal on social media, giving her fans a glimpse at her growing belly."Once upon a time a boy loved a girl now they are about to love someone even more," Priscilla, 19, captioned the photos, with the hashtags for teen mom and first-time mom and a tag for partner Dillon Nash.DUCK DYNASTY STAR SADIE ROBERTSONS HUSBAND MAKES BOLD MOVE TO IMPRESS FAMOUS FATHER-IN-LAWShe proudly displayed her growing bump while she wore a striped T-shirt, blue jeans and tan sandals. Priscilla took a mirror selfie, covering her face and holding a handbag.In the second photo, Priscilla shared a black and white photo of what appeared to be her holding her own stomach with a view of her growing baby belly.Priscilla is expecting her first child a baby girl in October.WATCH DUCK FAMILY TREASURE ONLINE | STREAM FOX NATIONThe photos were posted after Jessica expressed overwhelming joy and revealed how the unexpected pregnancy has become one of the family's greatest blessings.WATCH: DUCK DYNASTY STARS WILLIE AND KORIE ROBERTSON PROUD THEIR KIDS WEREN'T RUINED BY REALITY SHOW FAMEWATCH DUCK FAMILY TREASURE ONLINE | STREAM FOX NATIONIn July, Jessica took to Instagram to share an update. The mom-of-five said in her post, "Me & Jep are excited to welcome another new grandbaby in October. Priscilla will give birth to our granddaughter & we are blessed to add another grandbaby."APP USERS CLICK HERE TO VIEW POSTJessica openly reflected on her teen daughter's pregnancy, adding, "This isnt the plans we had laid out for Priscilla, but God takes our meager offerings and turns them into His greatest blessings!" Jessica added she and Jep were "so proud that Priscilla & Dillon chose life for their baby," and that theyd be "rewarded with this precious baby girl."DUCK DYNASTY STARS WILLIE AND KORIE ROBERTSON SAY KIDS WEREN'T RUINED BY REALITY SHOW FAMEThe "Duck Dynasty" star asked followers to "Pray for us! 3 babies under 1!"Jessica and Jep share five kids together Lily, 22, Merritt, 20, Priscilla, 19, River, 16 and Gus, 9.CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTERMeanwhile, the proud grandmother has been highlighting her daughters pregnancy journeys on social media.Last month, she posted a birthday tribute to her daughter Meritt on her 21st birthday.LIKE WHAT YOURE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWS"Happy Birthday to our sweet Merritt! The big 21! We love you more than words can say! And Im over the moon about having two baby girls join our ever growing family! You and Priscilla are just the cutest pregnant sisters ever!!!!"APP USERS CLICK HERE TO VIEW POSTJessica accompanied her post with photos of her two pregnant daughters holding their belly bumps, and they were all smiles for the photos.WATCH DUCK DYNASTY ONLINE | STREAM FOX NATIONThe baby bump news comes after "Duck Dynasty" star Sadie Roberton welcomed her third child into the world with husband Christian Huff.Robertson, 28, announced the birth of her third daughter on Instagram Aug. 3.