“Do Somethin’” is a song by American recording artist Britney Spears from her first greatest hits compilation, Greatest Hits: My Prerogative. It was released on February 14, 2005 by Jive Records as the second single from the album worldwide except North America. Produced by Bloodshy & Avant, the song was never intended to be released as a single and Spears had to convince her record company to shoot a music video for it. “Do Somethin'” is a dance-pop song with usage of electric guitars. Lyrically, it refers to having a good time and not caring about other people’s judgement.
“Do Somethin'” received positive reviews from critics. Although the song was not released in the United States, it charted on many of Billboard‘s component charts due to digital downloads and reached number one-hundred on the Hot 100. It was also successful worldwide, reaching top ten positions in countries such as Australia, Denmark, Sweden and the United Kingdom. Spears has performed “Do Somethin'” in the 2007 M+M’s promo tour and the 2009 world tour, The Circus Starring Britney Spears.