The Bachelor Krystal Nielson -- 9 things to know about Arie Luyendyk Jr.'s 'The Bachelor' bachelorette, PLUS Photo Gallery! 01/23/2018 Krystal Nielson has become the villain of Arie Luyendyk Jr.'s The Bachelor season. Read More RELATED NEWS 'The Bachelor' alum Seinne Fleming pregnant with her first child'The Bachelor' alum Bekah Martinez welcomes third child with fiance Grayston Leonard'The Bachelor' alum Krystal Nielson marries Miles Bowles in romantic California wedding TAGS: The Bachelor Arie Luyendyk Jr. Krystal Nielson The Bachelor