According to 'Variety,' Hudson will perform the Oscar-nominated song, "I'll Fight." The song was featured <br />in the documentary, "RBG," <br />about Justice Ruth Bader Ginsburg. The Academy took to Twitter <br />to share their excitement. It was previously reported that <br />the Oscars would only have <br />two song performances this year. But "I'll Fight" was added after the film and music community expressed disappointment that the song wouldn't be performed. The revered song <br />portrays Ginsburg as <br />a warrior for justice. The Supreme Court Justice is currently recovering from her latest bout with cancer.