On this day in US history, Marilyn Monroe sang a breathy “Happy Birthday to then-President John F. Kennedy on May 19, 1962. The two had an alleged affair that has been widely speculated on since this and prior intimate moments shed light on the relationship between them, grabbing headlines and fueling gossip for years. While Monroe only paid $1,440 for her crystal dress, at an auction, it would net more than $4.6 million.
