The album included the hit singles `` Do n't Cha '' , `` Buttons '' , and `` Stickwitu '' ; a song that earned the group a Grammy Award nomination . Success as a music group came in 2005 with their first album PCD which debuted at number five in the US producing three successful singles `` Do n't Cha '' , `` Buttons '' , and `` Stickwitu '' ; the latter earned the group a Grammy Award nomination .