Kaitlyn Bristowe & Artem Chigvintsev Talk Family SupportKaitlyn Bristowe saved the last dance for those who supported her Dancing With the Stars journey. As the season 29 finale got underway on Monday night, the former Bachelorette dedicated a heartfelt Instagram post to her cheerleaders: boyfriend Jason Tartick, pro partner Artem Chigvintsev and perhaps most notably, Artem’s fianceé, Nikki Bella. Nikki…