Kirstin Taylor "Kirstie" Maldonado (born May 16, 1992), who records mononymously as Kirstin, is an American singer and songwriter, and a member of the a cappella group Pentatonix. Together with Pentatonix, Maldonado has released seven studio albums, won three Grammy Awards, and sold over six million albums. Her debut solo EP will be released in 2017.