Cristin Milioti (born August 16, 1985) is an American actress and singer. She is best known for playing the Mother on the sitcom "How I Met Your Mother" from 2013 to 2014. She has also played Teresa Petrillo Belfort in the 2013 movie "The Wolf of Wall Street", and Betsy Solverson in the second season of "Fargo" (2015).