The Bachelor Lacey Mark -- 6 things to know about Nick Viall's 'The Bachelor' bachelorette 12/23/2016 Lacey Mark is one of 30 bachelorettes competing on Season 21 of The Bachelor. Read More RELATED NEWS 'The Bachelor' alum Hailey Merkt dead at age 31 after leukemia battle'The Bachelor' alum Nick Viall addresses rumors Natalie Joy cheated on himNatalie Joy fires back at trolls slamming her look on Nick Viall wedding day TAGS: The Bachelor Dancing with the Stars Lacey Mark Nick Viall Joe Jonas The Bachelor