Nikki Bella Pens a Sweet Birthday Message to Her Boyfriend Artem Chigvintsev

Watch: Inside Brie and Nikki Bella's Sister Evolution. Nikki Bella just gushed over her main man Artem Chigvintsev in an adorable birthday tribute on Instagram. On June 12, the Total Bellas star shared a pic of Artem with the couple's son Matteo, along with a lengthy caption celebrating the Dancing With the Stars pro's 39th birthday.