Kirstin Taylor Maldonado (born May 16, 1992) is an American singer and songwriter, and a member of the a cappella group Pentatonix. In 2011 Kirstin was contacted by her high school friend Scott Hoying who wanted to start a a cappella group for NBC’s a cappella competition The Sing-Off. Together they formed the a cappella group Pentatonix along with Avi Kaplan and Kevin Olusola. The group entered and eventually won the third season of The Sing-Off. The group since then have released several albums and EPs.

Kirstin debuted her solo career on May 19, 2017 with the song “Break a Little”. On July 14, 2017 Kirstin released her debut EP L O V E.