100 Proof is the third studio album by American country music artist Kellie Pickler. It was released on January 24, 2012. The album includes the single "Tough". The title track, was released exclusively on iTunes on December 20, 2011. The album sold 27,000 copies in the first week, and is the highest-charting album of Pickler's career on the Billboard 200 and the Digital Albums chart.