"TiK ToK was the first single that I put into this world that had my voice AND my name credited," Kesha wrote in the caption while sharing a set of throwback photos. "I remember making it fun and ...

Kesha’s “Tik Tok” single was one of the biggest records from 2009, as it peaked at number one on the Billboard Hot 100 chart. As a result, it also went on to go 8x platinum.