Photo: Bella Robertson/Instagram

Bella Robertson

On Wednesday, the 18-year-oldDuck Dynastystar wentwedding dressshopping a little over a month after sheannounced that she was engagedto her now-fiancé,Jacob Mayo.

“tis the season to wear white 🙋🏻‍♀️🥰,” Bellawrotealongside her post, as Sadie shared a similarseries of shotsand wrote, “some special days for a special human 🤍 love my sisters 🤩,” alongside hers.

Last month, Mayo and Bellashared their engagement newson Instagram.

Meanwhile, Mayo shared photos from the night he proposed, including the moment Robertson said yes. “Engaged! Bella is many things to me. She is my best friend. She is the person I can lean on in any problem with no judgment. But with the honest truth when I’m acting out. She loves Jesus,” hewrote. “She holds me to a higher standard that she doesn’t let waver. She unconditionally loves me whether I’m doing what she likes or the opposite side of the spectrum.”

“She’s the one for me forever. She’s my everything. I thank God for her. #tothemayos,” he concluded.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Bella’s older sister Sadie, who ispregnantwith her first child —a girl— congratulated the engaged pair on social media.

“HOW IS MY LITTLE SISTER ENGAGED?!? I thought you were still 7?!? But as wild as this is to me I’m thankful it’s to such a good man like Jacob. We can’t wait to welcome you into this crazy family even though I kind of already feel like you are a part of it ❤️,” the mom-to-bewrote. “Bella, you have always had the best heart and you’re going to be the most incredible wife. Thankful for our family growing❤️ 2021 is going to be one for the books that’s for sure.”

Their mother Korie also showered the newly engaged couple with lots of love.

RELATED VIDEO: Sadie Robertson Expecting First Child with Husband Christian Huff: ‘Screaming with Excitement!’

Earlier in November, the young couple celebrated their six-month dating anniversary, which Bella documented with a sweet post on social media.

source: people.com