"I Hate This Part" is a song by American girl group The Pussycat Dolls from their second album, Doll Domination. Written by Wayne Hector, Lucas Secon, Jonas Jeberg and Cutfather it was released as the album's second single on October 7, 2008. The song is about someone who knows a relationship is over, and needs to end it – which is the hardest part – and the part they hate. 　　"I Hate This Part" has been well received by the critics praising the melodramatic sound. The song managed to reach number one in Romania and top five in Canada, Belgium and France. It peaked at number nine in Ireland, New Zealand and Switzerland, while it went top twenty in Australia, Denmark, Finland, United Kingdom and United States. The music video of the song was filmed in a desert where it shows the Dolls in various locations where they could express themselves emotionally. 　　The Pussycat Dolls performed the song for the first time in "Wal-Mart Soundcheck" and other various television shows as well as the Doll Domination Tour.