The Secret Lives of Mormon Wives stars Mayci Neeley and Mikayla Matthews are entering the chat after Demi Engemann's singing with husband Bret Engemann went viral. In an Instagram video uploaded on Sunday, March 29, Mikayla, 26, reacted to a fan who commented, "Can y'all sing true colors?" Mikayla wrote in text over the video, "99 percent accuracy." "True Colors are beautiful," Mikayla sang, while Mayci, 31, joined in. "Like a rainbow." Mayci began laughing as the video came to an end. Mikayla captioned the post, "Sorry Mayci was a little breathy 👀😬.