Jean Harlow and William Powell the blonde bombshell meets the thin man, a movie partnership that set the screen alight. But was Harlow's tragic early death related to their romance?

From the B-hive to the White House. Behind Ronnie's easy charm lay Nancy's steely determination. It pushed the future President every step of the way to the most important job in the world.

Katherine Hepburn and Spencer Tracy, theirs was one of the greatest Hollywood romances, a remarkable meeting of opposites. The deep feeling Hepburn and Tracy had for each other is preserved in a series of classic movies in which they co-starred.

Judy Garland and Vincente Minnelli, she was one of MGM's most luminous stars. He was one of its most brilliant directors. The union of two flamboyant talents produced a third: Liza Minnelli.

Gloria and James Stewart; are one of the legendary love matches in Hollywood history. Stewart was the all-American boy - movie star and war hero - whose marriage reflected the title of one of his best-loved films, It's a Wonderful Life.

Cary Grant and Barbara Hutton, beneath the suavely handsome exterior of one of Hollywood's most desirable leading men lay a deeply troubled soul. The dark side of Cary Grant was to doom a marriage which seemed to have been made in heaven.

James Dean lived fast and died young. The unhappy Pier Angeli was to live on, but she was never the same after her romance with the rebel without a cause.

Amiable range warbler Roy Rogers lived by the cowboy code - he never took advantage or slugged anyone smaller than himself. Dale Evans was the B-movie consort who joined noble steed Trigger to make a sagebrush trio.

He was the Great Lover of the Silent Screen, she was the self-created exotic who fashioned his career. Neither partner in this remarkable marriage was quite what he or she seemed.

George Burns and Gracie Allen were two of America's best-loved vaudeville and movie stars who capped dazzling careers by making it big in television. After Gracie's death, the laconic cigar-chomping George became an American showbiz institution.

Lucille Ball and Desi Arnaz. Like Desi, all of America loved Lucy, the RKO contract player who eventually gained the TV clout to buy the studio where she had started her movie career.

Rex Harrison and Lilli Palmer; to his fans he was 'Sexy Rexy', the greatest high comedy actor of his generation. To his six wives, Rex Harrison cut a more ambivalent figure, sometimes charming, sometimes despotic, and frequently unfaithful.

Hepburn was a bewitching elfin spirit in Fifties Hollywood, Ferrer the handsome leading man she married and with whom she co-starred in 'War and Peace'.

Bonnie Parker and Clyde Barrow; The Dust Bowl bandits whose blood-splattered folie à deux became a depression legend and the basis for Arthur Penn's Oscar-winning movie. They loved and died in a blaze of bullets.

He was the Panamanian diplomat crippled by a would-be assassin, she was the world's best loved prima-ballerina who formed a legendary partnership with Rudolf Nureyev.

When the English princess married Lieutenant Philip Mountbatten, son of Prince Andrew of Greece and a great-great-grandson of Queen Victoria, at Westminster Abbey on 20 November 1947, it was the beginning of one of the most successful unions in the history of the Royal family.

A marriage which survived the turbulent politics of the Middle East. Known to his people as Al-Malik Al-Insan (The Humane King), King Hussein guided his country through strife and turmoil to become an oasis of peace, stability and moderation in one of the world's most troubled regions.

Catherine Deneuve and Marcello Mastroianni, the French 'ice maiden' and the Italian heart-throb had one of the most secret romances of the modern glitterati.

One of the most glamorous couples of the Golden Era of Hollywood - the greatest of studio directors and his shrewd fashion editor wife who brought Lauren Bacall to the attention of her husband Humphrey Bogart.

He was the most celebrated aviator of the age and she was the daughter of a wealthy diplomat. Their marriage saw flying triumphs and personal tragedy when the kidnapping of their baby led to one of the most sensational murder trials in American legal history.

One of Hollywood's unlikeliest star couples - the Ringo Kid meets Lola - who had a passionate affair in the star-spangled Forties.

David O Selznick and Jennifer Jones. After the sensational triumph of Gone with the Wind, master-producer David O Selznick spent much of his latter days in Hollywood promoting the career of his beautiful but neurotic wife.

Barbara Stanwyck and Robert Taylor; together they seemed one of Hollywood's Golden Couples. Barbara Stanwyck was one of its greatest leading ladies; Robert Taylor was MGM's longest-serving leading man. But the truth was that theirs was a marriage made only in Hollywood, not in heaven.

Richard and Pat Nixon from the Chequers speech to Richard Nixon's traumatic resignation from the office of President, Pat travelled with her husband every step of the way. Inevitably, there was a price to pay for such loyalty.

Jimmy and Rosalynn Carter reviled by many Americans when Jimmy stepped down from the Presidency, the Carters have become one of the most affectionately regarded couples in American life.