The star gave an emotional and powerful performance of 'I Will Always Love You' at the event in Los Angeles.
Jennifer Hudson made a name for herself as an American Idol finalist back in 2004 and won a Grammy Award for her eponymous debut album, with over one million copies sold.
Real Name: Jennifer Kate Hudson
Born: September 12, 1981
Birthplace: Chicago, Illinois, U.S.
First Single: And I Am Telling You I'm Not Going
First Album: Jennifer Hudson
The 'Listen' singer has been asked to perform in honour of the late singer at the annual awards ceremony.
Jennifer Hudson and Justin Timberlake to present Oscars
Jennifer Hudson's first album has been a long time coming, but it finally arrives this week.
Jennifer performed an emotional version of Whitney's iconic song 'I Will Always Love You'.
Jennifer looks set for another big hit with this track taken from her self-titled debut album.