Popsugar Entertainment Oscars Jennifer Hudson's Oscars Performance 2019 Video Powerhouse Jennifer Hudson Hit ALL the Notes While Performing at the Oscars 25 February 2019 by Monica Sisavat Solís Image Source: Getty / Kevin Winter Jennifer Hudson returned to the Oscars on Sunday for a special performance of "I'll Fight" — the track featured in the RBG documentary. Songwriter Diane Warren wrote the song for Hudson to sing in the film, which documents the life of US Supreme Court Justice Ruth Bader Ginsburg, and Hudson made sure to hit all the notes during her performance on Sunday night. Fun fact: Hudson won the Oscar for best supporting actress for her role as Effie White in Dreamgirls back in 2007. Check out her performance ahead. Related: Presenting All of the 2019 Oscar Winners: Regina King, Lady Gaga, and More 1 / 7 Image Source: Getty / Kevin Winter 2 / 7 Image Source: Getty / Kevin Winter 3 / 7 Image Source: Getty / Kevin Winter 4 / 7 Image Source: Getty / Kevin Winter 5 / 7 Image Source: Getty / Kevin Winter 6 / 7 Image Source: Getty / Kevin Winter 7 / 7 Award SeasonOscarsMusicJennifer Hudson