"Don't Cha" is a song by American girl group the Pussycat Dolls from their debut studio album PCD (2005). The song features rapper Busta Rhymes who co-wrote the song with its producer, CeeLo Green. The song contains an interpolation of "Swass" which is written and performed by Sir Mix-a-Lot. It is an R&B song. "Don't Cha" was originally recorded by Tori Alamaze who released the song as her first single; however, after minor success and dissatisfaction with her label she gave up her rights to the song. Universal Music Group gave it to the Pussycat Dolls as the label was trying to reinvent the girl group.

"Don't Cha" received positive reviews from music critics, many of whom highlighted it as a stand-out; however, some of them criticized Busta Rhymes' appearance. The song was a commercial success, peaking at number two on the US Billboard Hot 100 chart and number one on the US Hot Dance Club Play and Pop 100 charts. The song reached number-one in fifteen other countries including Australia, Canada, Ireland, New Zealand, and the United Kingdom. A music video for the song was directed by Paul Hunter features the group in various activities including jumping on a trampoline and drag racing in Jeeps; additionally choreographed routines were performed at the chorus.

In January 2004, Cee Lo Green finished writing and producing the song "Don't Cha" which it's chorus reprises the hook from Sir Mix-a-Lot's "Swass" taken from album of the same name in a basement studio in Atlanta, Georgia. The song was originally written for Tori Alamaze, a former backing vocalist for the hip hop duo OutKast. In November, Alamaze signed with Universal Records and decided to release the song as her first single from her debut album which was due to release that same year. However, months later, Alamaze decided to part ways with the label as she was "unhappy" and felt that she "got caught up in the middle of egos and favors." Thus she agreed to give up her rights to the song to get out of her contract. The song was still playing on radio while copies were available at stores. Her version of the song received minor success reaching number 53 on Billboard's Hot R&B/Hip-Hop Songs chart.

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