"Hollaback Girl" is a song recorded by American singer Gwen Stefani for her debut solo studio album, Love. Angel. Music. Baby. (2004). As part of Stefani's vision of creating "a silly dance record", "Hollaback Girl" is a hip hop song that draws influence from 1980s hip hop and dance music. The song was written by Stefani, Pharrell Williams and Chad Hugo, supposedly as a response to Courtney Love's statement that Stefani was a "cheerleader" in an interview with Seventeen magazine. The song was released as the album's third single on March 15, 2005, and was one of the year's most popular songs, peaking inside the top 10 on the majority of the charts it entered. It reached number one in Australia and the United States, where it became the first digital download to sell one million copies.

"Hollaback Girl" received several award nominations, including Best Female Pop Vocal Performance and Record of the Year at the 48th Grammy Awards, but lost in both categories. The single divided pop music critics, with some praising its minimalistic production and others declaring it embarrassing; men's magazine Maxim called it the "Most Annoying Song Ever". In the United States, it topped the Billboard Hot 100 for four weeks and was ranked at number two on the Year-End Hot 100. The recording topped the charts in Australia and reached the top ten in several other countries, including Ireland, Italy, New Zealand and the United Kingdom. It has since been certified platinum in United States by the RIAA, and in Australia by ARIA.

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