Dorothy Fields was an American librettist and lyricist. She wrote over 400 songs for Broadway musicals and films. Her most well known pieces include The Way You Look Tonight, A Fine Romance, On the Sunny Side of the Street, Pick Yourself Up, and You Couldnt Be Cuter. Throughout her career, she collaborated with various influential figures in the American musical theater, including Jerome Kern, Cy Coleman, Irving Berlin, and Jimmy McHugh. Along with Ann Ronell, Dana Suesse, Bernice Petkere, and Kay Swift, she was one of the first successful Tin Pan Alley and Hollywood female songwriters.
Dorothy Fields was born to Lew M. fields and Rose Harris. She had two older brothers, Joseph and Herbert, whom also became successful on Broadway, Joseph as a writer and producer, and Herbert as a writer whom later became Dorothys collaborator.
Source: Wikipedia