Left Outside Alone

"Left Outside Alone" is a song by American recording artist Anastacia from her third studio album, Anastacia. Written by Anastacia, Dallas Austin, and Glen Ballard, the song details the singer's strained relationship with her estranged father. It was released as the album's lead single on March 15, 2004. The track received universal acclaim, with praise coming from Anastacia's new musical sound as well as her new singing sound found in the opening of the song being compared to Evanescence's Amy Lee.

"Left Outside Alone" topped the charts of several countries, including Australia, Austria, the Czech Republic, Italy, Spain, and Switzerland. It entered the top 10 in an additional 13 countries, becoming the sixth-biggest-selling European single of 2004. In the United Kingdom, it peaked at number three to give Anastacia her highest-charting hit there. In the United States, the Jason Nevins remix of "Left Outside Alone" was successful on the Billboard dance charts, reaching number one on the Dance Singles Sales chart and number five on the Dance Club Play chart.