"Big Girls Don't Cry" is a song performed by American recording artist Fergie for her first studio album The Dutchess (2006). It was written by Fergie and Toby Gad while the production was helmed by will.i.am. The song was released as the fourth single from the album on May 22, 2007. "Big Girls Don't Cry" deviates from the hip-hop and urban music of Fergie's previous singles and opts for a more simplistic pop sound that incorporates acoustic and classical elements. It features credits from about thirty instrumentalists, many of which play the violas, violins and celli on the track. It is one of the few songs on the album that does not sample any other songs. The critical reception of "Big Girls Don't Cry" was mixed to positive, with many praising the maturity and simplicity display on the single as well as the message.
"Big Girls Don't Cry" was a commercial success domestically, attaining the top position on the Billboard Hot 100. It became her third single to do so and earned her the accolade of being the first artist with three number one singles from one album since 2000 with Christina Aguilera's first three number one singles. "Big Girls Don't Cry" also became Fergie's highest selling single in the country with 3,833,000 units sold as of August 2012, and her longest charting with nearly fifty weeks logged on the Hot 100 between May 2007 and March 2008. The song peaked at number one in Canada and was present for fifty-three weeks on the chart. The song also reached number one in various international territories including Denmark, Ireland, New Zealand, Norway and Australia, where it spent nine weeks at the top position. Besides France and Hungary, "Big Girls Don't Cry" reached the top ten in all other international markets like the Netherlands, Sweden, Switzerland and the United Kingdom. It was used in an episode of Pretty Little Liars, "Father Knows Best".