Hudson 's version became a Top 20 R&B single , and a number - one dance hit .
Jennifer Hudson portrayed Effie in the 2006 film adaptation of Dreamgirls , winning an Oscar for the role .
Jennifer Hudson 's version became a Top 20 R&B single , and a number - one dance hit .
Jennifer Hudson portrayed Effie in the 2006 film adaptation of Dreamgirls , winning an Oscar for the role .