[[caption-width-right:225:She's not "outdoorsey", she's athletic.]]
->''"I don't know what it is, [[AchievementsInIgnorance but I've got it.]]"''
-->--'''Katharine Hepburn''', ''when asked what "star quality" consists of''

'''Katharine Houghton Hepburn''' (1907 -- 2003) was, according to the American Film Institute, the greatest female star ever to grace American cinema.

[[SpellMyNameWithAnS Katharine]] Hepburn, or "The Great Kate," had quite possibly the longest starring career ever seen in Hollywood. Her first film, ''A Bill of Divorcement'', hit theaters in 1932; her last, ''Love Affair'', was released in 1994. For those who hate math, Hepburn was a big-screen regular for six decades.

Her [[StarMakingRole first real success]] was in the 1933 release of ''LittleWomen'', playing Jo March; Hepburn broke box office records as the feisty, red-haired heroine. Before ''Little Women'' was ever released, however, she had already won her first Oscar. She wouldn't win her next for over thirty years, but when she did, she went an unheard-of three for three on her last three nominations, nominated (and winning) in 1967, 1968 (one of only two actresses to win back-to-back), and 1981.

After ''LittleWomen'', Hepburn unfortunately hit a rough patch. For a number of years, she was given unsuitable roles by RKO, in films such as ''The Little Minister'', ''Film/MaryOfScotland'', ''Sylvia Scarlet'', and ''Quality Street''. Even parts well-regarded now, such as her turn as the title character in ''Alice Adams'', Susan Vance in ''Film/BringingUpBaby'', Terry Randall in ''Film/StageDoor'' (which provided her SignatureLine, "The calla lilies are in bloom again..."), and Linda Seton in ''Film/{{Holiday}}'' failed to break her reputation as "box office poison." Hepburn's box office woes were not helped by her reputation for being difficult to work with due to her HairTriggerTemper. However, 1939 marked her triumphant return as Tracy Lord in ''ThePhiladelphiaStory'' and the film of the play the following year. A long string of memorable films followed, among them ''TheAfricanQueen'' (opposite the equally legendary HumphreyBogart), ''Theatre/LongDaysJourneyIntoNight'', ''Film/GuessWhosComingToDinner'', and ''Theatre/TheLionInWinter''. She also made nine films -- largely romantic comedies -- with Creator/SpencerTracy, whom she met on the set of their first film, ''Woman of the Year''. The couple [[RomanceOnTheSet became romantically involved during that film]] and, in spite of Tracy's marriage to another woman whom he refused to divorce, remained together until Tracy's death in 1967. Hepburn categorically refused to watch ''Guess Who's Coming to Dinner'', their last film together, because the memories of Tracy were too painful for her.

Hepburn is famous for winning four Oscars out of twelve nominations, all for Best Actress. Her next closest competitor, the great MerylStreep, has seventeen nominations under her belt -- fourteen for Best Actress, three for Best Supporting Actress -- and three wins, two for Best Actress and one for Best Supporting Actress.

CateBlanchett won the 2004 Best Supporting Actress Oscar for her portrayal of Hepburn in the Creator/MartinScorsese's Howard Hughes biopic ''TheAviator'', making Hepburn the only Oscar winner to be played by someone who would win an Oscar for the role.

Her mother, also named Katharine Hepburn, was one of the founders of what eventually became Planned Parenthood.

She was also noted for:

* Never attending the Oscar ceremony as a nominee (she did attend as a presenter in 1974).
* Rarely, if ever, wearing skirts or dresses offscreen -- she preferred slacks.
** And this was long before it was widely common or acceptable for women to do so... legend has it that one studio tried to force her to wear skirts by confiscating all of her slacks while she was out of her trailer. She responded by walking around the set in her underwear until she embarrassed the studio into giving them back.
* Being tart and abrasive, which led some of her Hollywood detractors to nickname her "Katherine of Arrogance." During the filming of ''SuddenlyLastSummer'', she was so disgusted with how the director treated another actor that she ''[[CrowningMomentOfAwesome spat right in his face]]'' when filming was over - and Hepburn herself was notorious for belittling and criticizing actors who didn't measure up to her standards.
* Writing a best-selling book, ''The Making of'' The African Queen: ''or How I Went to Africa with Bogart, Bacall and Huston and Almost Lost My Mind'', a memoir of her time making the eponymous film.
* Her striking face and auburn hair.
* Her height -- she was one of Hollywood's tallest leading ladies from that time period at 5'7" (most leading ladies were only a little over 5'3").
* Making a lot of films with George Cukor, with whom she got on famously.
* Being something of a DeadpanSnarker.

No, she's not related to Creator/AudreyHepburn. (She was from across the pond.)
!!Some notable films Katharine Hepburn appeared in include:

* ''A Bill of Divorcement'', as Sydney Fairfield (1932)
* ''Christopher Strong'', as Lady Cynthia Darrington (1933)
* ''Morning Glory'', as Eva Lovelace, her first AcademyAward-winning rôle (1933); she lost the Oscar after a hurricane destroyed her house in 1938.
* ''LittleWomen'', as Jo March (1933)
* ''The Little Minister'', as Babbie the Gypsy (1934)
* ''Alice Adams'', as the title character (1935) Oscar nom.
* ''Sylvia Scarlett'', as the [[GenderBender gender-bent]] eponymous Sylvia/Sylvester (1935) -- The first of her four films with Cary Grant
* ''Film/MaryOfScotland'', as [[MaryOfScotland Mary, Queen of Scots]] (1936)
* ''Quality Street'', as Phoebe Throssel (1937)
* ''Film/StageDoor'', as Terry Randall (1937) -- As noted, provided her SignatureLine, spoken as a character in a play. The full speech runs:
-->''The calla lilies are in bloom again -- such a strange flower, suitable to any occasion. I carried them on my wedding day, and now I place them here in memory of something that has died.''
* ''Film/BringingUpBaby'', as Susan Vance (1938) -- Her second film with CaryGrant
* ''{{Film/Holiday}}'', as Linda Seton (1938) -- Her third film with Cary Grant
* ''ThePhiladelphiaStory'', as Tracy Lord (1940) -- Her fourth and final film with Cary Grant. Oscar nom.
* ''Woman of the Year'', as Tess Harding (1942) -- The first of her nine films with Spencer Tracy. Oscar nom.
* ''Dragon Seed'', as Jade Tan (1944) -- In a very unconvincing {{yellowface}} role.
* ''Song of Love'', as ClaraSchumann (1947) -- A Biopic of [[DichterAndDenker German composer]] RobertSchumann
* ''State of the Union'', as Mary Matthews (1948) -- The fifth of her films with Spencer Tracy
* ''Adam's Rib'', as Amanda Bonner, one of a married couple of contending lawyers (1949) -- The sixth of her films with Spencer Tracy
* ''TheAfricanQueen'', as Rose Sayer (1951) Oscar nom.
* ''Pat and Mike'', as Patricia Pemberton (1952) -- The seventh of her films with Spencer Tracy
* ''Sumertime'' as Jane Hudson (1955) Oscar nom.
* ''The Rainmaker'', as Lizzie Currie (1956) Oscar nom.
* ''Desk Set'', as Bunny Watson (1957) -- The eighth of her films with Spencer Tracy
* ''SuddenlyLastSummer'' as Violet Venable (1959) Oscar nom.
* ''Long Day's Journey Into Night'', as TheAlcoholic Mary Tyrone (1962) Oscar nom.
* ''GuessWhosComingToDinner'', as Christina Drayton (1967) -- The ninth and last of her films with Spencer Tracy -- The second of her AcademyAward-winning parts
* ''Film/TheLionInWinter'', as Eleanor of Aquitaine (1968) -- The third of her AcademyAward-winning rôles
** She's ''descended'' from Eleanor, both through Eleanor's marriage to the King of France (Louis VI) and Eleanor's later marriage to the King of England (Henry II).
* ''The Madwoman of Chaillot'', as Countess Aurelia (1969) -- The first of a series of revivals of classic plays, done mainly for television
* ''The Trojan Women'', as Hecuba (1971)
* ''TheGlassMenagerie'', as Amanda Wingfield (1973) (TV)
* ''Love Among the Ruins'', as Jessica Medlicott, opposite fabled actor LaurenceOlivier (1975) (TV)
* ''Film/RoosterCogburn'', as Eula Goodnight, with legendary screen He-Man JohnWayne as the eponymous bounty hunter (1975)
* ''The Corn is Green'', as Lilly Moffat (1979) (TV)
* ''On Golden Pond'', as Ethel Thayer, with classic Hollywood leading man Henry Fonda (1981) -- Her fourth and last AcademyAward-winning part
* ''Love Affair'', as Ginny (1994) -- Her last cinematic release
* ''One Christmas'', as Cornelia Beaumont (1994) (TV)

!!Tropes commonly associated with her acting:

* SpiritedYoungLady: Not all of her characters were young, but name ''one'' who wasn't spirited!

!!Tropes that fit her personally:

* AcademyAward: The only person in history to win 4 acting Oscars. They were all for Best Actress, which also makes her the only female performer to win 3 or more times in the Lead category (the closest an actor has come to this is Daniel Day-Lewis, who won 3 times for Best Actor).
** Also famously tied with Barbara Streisand for Best Actress of 1968. It was her 3rd win, for ''Film/TheLionInWinter'', while Streisand won for "Funny Girl". This was only the second time that a tie was declared in an acting category, and the first time ever that an EXACT tie occurred (in the Academy's earliest years, all one had to do was earn within 3 votes of 1st place to tie, which allowed Wallace Beery and Fredric March to share the Best Actor statue of 1932).
* {{Bifauxnen}}: ''Sylvia Scarlett''
* RealitySubtext: When Spencer Tracy did his "If it's half of what we felt, it's everything" speech in ''Guess Who's Coming to Dinner'', Hepburn is seen standing to the side with tears spilling down her cheeks. That wasn't acting - Tracy's monologue was very obviously about Hepburn, and she knew the man she loved was dying and that it would be the last film they ever did together.
* ThoseTwoActors: She and Spencer Tracy.