What is so this is paris?

"So This Is Paris" is a 1955 American Technicolor musical comedy film directed by Richard Quine and featuring Tony Curtis, Gloria DeHaven, and Gene Nelson. The movie centers around a love triangle between three Americans in Paris, mixing song-and-dance numbers with comedic moments. It was loosely based on a 1926 silent film of the same name and has been described as a light-hearted romp through the City of Lights. The film received positive reviews upon its release and is considered a classic example of the musical comedies of the 1950s. It features musical numbers by Cole Porter and Sammy Cahn, including the show-stopping "I Love Paris" and "C'est Magnifique."