Dancing with the Stars Lindsay Arnold -- 7 things to know about the 'Dancing with the Stars' pro 10/14/2016 Lindsay Arnold is a professional dancer on Dancing with the Stars who got her start on reality TV by finishing as a finalist on So You Think You Can Dance. Read More RELATED NEWS Allison Holker and Stephen "tWitch" Boss welcome a baby girl into their family!Allison Holker and Stephen "tWitch" Boss having a baby girlJana Kramer posts family photo after new son Jace's birth TAGS: Dancing with the Stars So You Think You Can Dance Lindsay Arnold Witney Carson Victor Ortiz