"Stronger (What Doesn't Kill You)", is a song by American singer Kelly Clarkson. It was written by Jörgen Elofsson, Ali Tamposi, David Gamson, and Greg Kurstin. It was produced by Kurstin. It was released on January 17, 2012, by RCA Records. It became the second single from her album "Stronger" (2011). It reached number one on the US Hot 100 chart for two weeks in 2012.