Witney Carson (born October 17, 1993) is an American dancer, actress, and choreographer specializing in Latin ballroom dance. She was 18 years old at the time that she was a contestant on So You Think You Can Dance. She continued her professional dancing career as a troupe dancer on Dancing with the Stars seasons 16 and 17. Carson was promoted to being a professional dancer in season 18. She returned as a professional dancer for season 19.
Throughout her dance career, Carson has worked with dancers and choreographers such as Mia Michaels, Nappytabs, Jean-Marc Généreux, Mark Ballas, Julianne Hough. – Wikipedia