Hepburn won her second Best Actress Oscar at the 40th Academy Awards for Guess Who's Coming to Dinner (1967).
On April 10, 1968, at the 40th Academy Awards, Katharine Hepburn won her second Academy Award for Best Actress for her role in Guess Who's Coming to Dinner (1967), a groundbreaking film addressing interracial marriage in the United States, released the same year the Supreme Court's Loving v. Virginia decision struck down bans on interracial marriage nationwide.
Hepburn starred alongside her longtime partner Spencer Tracy, in what would be his final film role before his death shortly after filming concluded. Her performance as a mother grappling with her daughter's engagement to a Black man was widely praised for its emotional nuance and social courage, at a time when the subject remained highly controversial in mainstream American cinema.
This win came thirty-four years after her first Oscar, an extraordinary gap that demonstrated her enduring relevance and evolving artistry across changing eras of Hollywood filmmaking, from the studio system of the 1930s to the socially conscious cinema of the late 1960s.
The victory reaffirmed Hepburn's position as one of the industry's most respected actresses and highlighted her willingness to engage with pressing social issues through her work, cementing her legacy as both an artistic and cultural touchstone.