Witney Capri Carson McAllister is an American professional Latin ballroom dancer and choreographer. She first gained attention in 2012, when the 18-year-old finished ladies' second runner-up in season nine of So You Think You Can Dance. Carson continued her professional dancing career in early 2013 as a troupe dancer in seasons 16 and 17 of Dancing with the Stars. She was promoted to professional partner in season 18. In season 19, she and her partner Alfonso Ribeiro were announced the winners on November 25, 2014, making her one of six professional dancers to win the mirror ball trophy within their first two seasons. For that season, she received a nomination for the Primetime Emmy Award for Outstanding Choreography. In 2019, she reunited with Ribeiro to co-host the reboot of Catch 21. Throughout her dance career, Carson has worked with dancers and choreographers such as Mia Michaels, Nappytabs, Travis Wall, Sonya Tayeh, Tyce Diorio, Mark Ballas, Derek Hough, and Stacey Tookey.