- HD 1080
- Runtime: 100m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: H. C. Potter
- Stars: Joan Fontaine, James Stewart, Eddie Albert, Roland Young, Willard Parker
- keywords: heiress
- Production_studio: William Dozier Productions, Rampart Productions, Universal International Pictures
- Slogan: It's Hilarious! It's Romantic!... and wonderfully wacky!
- The You Gotta Stay Happy is featured in the top rankings of 1948
- #22 in Top Comedy Movies of 1948
- #27 in Top Romance Movies of 1948
Indecisive heiress Dee Dee Dillwood is pushed into marrying her sixth fiancée, but unable to face the wedding night, she flees into the adjacent hotel room of commercial pilot Marvin Payne, who just wants to sleep. She then persuades him to take her to California.