The beautiful three-part ceremony was organized by celebrity wedding planner Michael Russo in the Salt Lake City area, her rep confirmed to ET.
According to her rep, Carson was dressed in a Rivini gown while her bridesmaids -- which included fellow dance pros Emma Slater, Lindsay Arnold, Brittany Cherry and Jenna Johnson -- wore Amsale. Some of her former DWTS partners were also in attendance, including Carlos Penavega, Chris Soules and Alfonson Ribeiro.
The reception was held at NOAH's Event Center in Lindon, Utah, with guests enjoying cake and cupcakes by Sugar Kisses, as well as catered food by State Street Feed and Supply, before taking home some thoughtful party gifts -- monogrammed Gigi New York clutches for the girls and wallets for the guys.
After the ceremony, Carson took to Instagram to reflect on her and McAllister's special day.
"Yesterday was absolutely magical," she shared. "Seriously the best two days of my life! The celebration was so much fun, and I couldn't have asked for better!"
On the day of their wedding, Carson also shared a beautiful black-and-white snapshot of the two, writing, "Can't believe today is the day!!! Finally get to be with my love forever and all eternity. Can't wait to share with all of you the details."
The adorable couple, who are both from American Fork, Utah, started dating during their senior year of high school and have been together ever since. McAllister popped the question to the blonde beauty in October, announcing the exciting news with a sweet snap posted on Carson's Instagram.