Miss Ethel ‘Dynamite’ Jackson is a chorus girl who mistakingly receives an invitation from the State Department to represent the American theatre at an arts exposition in Paris, France. There’s only one problem, the invitation was meant for Miss Ethel Barrymore. Meanwhile, S. Winthrop Putnam, the bureaucrat who made the mistake tries unsuccessfully to correct his mix-up. It’s too late, for Dynamite Jackson is off to Paris, where the two meet and marry, or so they think! “April in Paris” stars Doris Day, Ray Bolger, Claude Dauphin.

More about Doris Day (courtesy of Biography.com):

In 1948, Day made her film debut in the successful musical “Romance on the High Seas.” She had been hired to replace actress Betty Hutton, who had to drop out of the production. For the film, Day recorded “It’s Magic,” which proved to be another hit for the young performer. While later in her career she became the queen of the romantic comedy, Day showed some talent for more dramatic roles. She played a singer involved with a troubled musician (Kirk Douglas) in “Young Man with a Horn” (1950). That same year, Day played a woman married to an abusive Ku Klux Klan member in the thriller “Storm Warning.” Later she played a fictionalized version of jazz singer Ruth Etting in “Love Me or Leave Me” (1955) with James Cagney.

Two of her biggest hits came from movies she made in the mid-1950s. She sang “Secret Love” in the musical western Calamity Jane (1953), in which she played a rough-and-tumble cowgirl. Working with director Alfred Hitchcock, she appeared in the thriller “The Man Who Knew Too Much” with Jimmy Stewart. Day sang “Que Sera, Sera” for the film. The song became one of her trademark tunes, and she used it as the theme for her later television series “The Doris Day Show.”

In 1957, Day scored another box-office hit with the film adaptation of the popular musical “The Pajama Game.” She continued to explore lighter comedic fare with her first on-screen pairing with Rock Hudson, the 1959 smash “Pillow Talk.” The film brought Day the only Academy Award nomination of her career. She teamed up with Hudson for several more films, including “Send Me No Flowers” (1962). Day also appeared with James Garner in “The Thrill of It All” (1963) and Cary Grant in “That Touch of Mink” (1962). These films made her one of the most popular film stars of the era.

By the end of the 1960s, however, Day’s sweet and charming persona seemed out of step with the times. She starred in such films as the humorous western “The Ballad of Josie” (1967) and the family comedy “With Six You Get Eggroll” with less-than-stellar results. Day fared better on television, with “The Doris Day Show,” which ran from 1968 to 1973. On the show, she played a widow who moves her two sons to the country.