Editing Katharine Hepburn (section)

=== Success in later years (1963–1970) ===
[[File:Hepburn guess whos coming to dinner.jpg|thumb|upright|alt=Screenshot of Hepburn|In ''[[Guess Who's Coming to Dinner]]'' (1967), which won Hepburn her second of four Academy Awards]]

Following the completion of ''Long Day's Journey Into Night'', Hepburn took a break in her career to care for ailing Spencer Tracy.{{sfn|Hepburn|1991|p=393}} She did not work again until 1967's ''[[Guess Who's Coming to Dinner]]'', her ninth and final film with Tracy. The movie dealt with the subject of interracial marriage, with Hepburn's niece, [[Katharine Houghton]], playing her daughter. Tracy was dying by this point, suffering the effects of diabetes and heart disease,{{sfn|Curtis|2011|p=823}} and Houghton later commented that her aunt was "extremely tense" during the production.{{sfn|Curtis|2011|p=849}} Tracy died 17 days after filming his last scene. ''Guess Who's Coming to Dinner'' was a triumphant return for Hepburn and her most commercially successful picture to that point.{{sfn|Berg|2004|p=249}} She won her second Best Actress Award at the Oscars, 34 years after winning her first. Hepburn felt the award was not just for her but was also given to honor Tracy.{{sfn|Berg|2004|p=249}}
[[File:Hep-lion.jpg|thumb|left|Katharine Hepburn as [[Eleanor of Aquitaine]], her third of four Academy Awards in ''[[The Lion in Winter (1968 film)|The Lion in Winter]]'' (1968)]]
Hepburn quickly returned to acting after Tracy's death, choosing to occupy herself as a remedy against grief.{{sfn|Berg|2004|p=255}} She received numerous scripts{{sfn|Kanin|1971|p=259}} and chose to play [[Eleanor of Aquitaine]] in ''[[The Lion in Winter (1968 film)|The Lion in Winter]]'' (1968), a part she called "fascinating".{{sfn|Hepburn|1991|p=255}} She read extensively in preparation for the role, in which she starred opposite [[Peter O'Toole]].{{sfn|Kanin|1971|p=6}} Filming took place in [[Montmajour Abbey]] in the [[Arles|south of France]], an experience she loved despite being—according to director [[Anthony Harvey]]—"enormously vulnerable" throughout.{{sfnm|1a1=Hepburn|1y=1991|1p=257|2a1=Curtis|2y=2011|2p=877}} John Russell Taylor of ''[[The Times]]'' suggested that Eleanor was "the performance of her ... career", and proved that she was "a growing, developing, still surprising actress".{{sfn|Dickens|1990|p=192}} The movie was nominated in all the major categories at the [[41st Academy Awards]], and for the second year running Hepburn won the Oscar for Best Actress (shared with [[Barbra Streisand]] for ''[[Funny Girl (film)|Funny Girl]]'').{{sfn|Berg|2004|p=251}} The role, combined with her performance in ''Guess Who's Coming to Dinner'', also received a British Academy Film Award ([[BAFTA]]) for [[BAFTA Award for Best Actress in a Leading Role|Best Actress]]. Hepburn's next appearance was in ''[[The Madwoman of Chaillot (film)|The Madwoman of Chaillot]]'' (1969), which she filmed in [[Nice]] immediately after completing ''The Lion in Winter''.{{sfn|Higham|2004|p=210}} The picture was a failure critically and financially, and reviews targeted Hepburn for giving a misguided performance.{{sfn|Higham|2004|p=211}} By the end of 1969, she was voted the most popular female star in America by [[Martin Quigley (publisher)|Quigley]]'s [[Top Ten Money Making Stars Poll]], making a rare occurrence of an actress over 50 to achieve such a position.

From December 1969 to August 1970, Hepburn starred in the Broadway musical ''[[Coco (musical)|Coco]]'', about the life of [[Coco Chanel]]. She admitted that before the show, she had never sat through a theatrical musical.{{sfn|Berg|2004|p=252}} She was not a strong singer, but found the offer irresistible and, as Berg puts it, "what she lacked in euphony she made up for in guts".{{sfn|Berg|2004|p=253}} The actress took vocal lessons six times a week in preparation for the show.{{sfn|Berg|2004|p=253}} She was nervous about every performance and recalled "wondering what the hell I was doing there".{{sfn|Berg|2004|p=254}} Reviews for the production were mediocre, but Hepburn herself was praised, and ''Coco'' was popular with the public—with its run twice extended.{{sfn|Kanin|1971|p=296–297}} She later said ''Coco'' marked the first time she accepted that the public was not against her, but actually seemed to love her.<ref name="all about me" /> Her work earned a [[Tony Award]] nomination for Best Actress in a Musical.{{sfn|Kanin|1971|p=302}}