Alex Kinsey

Alex & Sierra were an American duo consisting of Alex Kinsey (born September 8, 1991) and Sierra Deaton (born February 11, 1991), who won the third and final season of The X Factor US. They were mentored by Simon Cowell. Their debut album It's About Us was released on October 7, 2014, on Columbia Records.[3] Their EP As Seen on TV was released on September 30, 2016.

On September 1, 2017, Alex & Sierra announced to the media that they had broken up more than a year earlier, and would no longer continue to make music together, but would branch out into their own solo careers.[4]

https://en.wikipedia.org/wiki/Alex_%26_Sierra#Alex_Kinsey