Jennifer Hudson has songs.
Dreamgirls (film) . Dreamgirls features the acting debut of Hudson , a former American Idol contestant and singer . Jennifer Hudson . As an actress , she made her film debut portraying Effie White in Dreamgirls , for which she gained worldwide acclaim and won an Academy Award , a Golden Globe Award , a BAFTA Award and a Screen Actors Guild Award for Best Supporting Actress . As a singer , Hudson has released three studio albums .