Bella announced the engagement on Instagram, adding that the couple became engaged in France during November.
"I said yes in France in November!" Bella wrote on Instagram. "We have been trying to keep it a secret but really wanted to share our excitement for the New Year!"
Bella had been engaged to fellow pro wrestler John Cena, but the couple called off wedding plans and split in April 2018.
Bella and Chigvintsev finished seventh on "Dancing With The Stars” in 2017, CNN reported.
In the December 2018 issue of Health magazine, Bella talked about her relationship with Chigvintsev.
“Artem is the first person I’ve been with where I feel like I can be Nicole and never fear he’s going to leave me for it,” Bella told the magazine. “We all have a little crazy in us, and he loves my crazy.”