Kesha made her debut into the music world when she appeared on Flo Rida's 2009 hit [1] "Right Round," but it wasn't until she released her first single, "TiK ToK," that people really got to know who she was. With three studio albums under her belt [2], the 30-year-old singer has certainly come a long way, and not just only with her music. As much as her songs have evolved throughout the years, so have her outfits and hair. Take a walk down memory lane and look back at Kesha's time in the spotlight.