A promenade dance or prom is a formal dance party for graduating high school students at the end of the school year.
A typical gathering, with boys in tuxedos/dinner suit, and girls in formal dresses with corsages on their wrists
Decorating for prom, students put finishing touches on a ballroom at a banquet hall
A couple at the Lincoln High School senior prom in Florida (1956)
A debutante, also spelled débutante, or deb is a young woman of aristocratic or upper-class family background who has reached maturity and is presented to society at a formal "debut" or debutante ball
Prom
…given crowns to wear. Members of the prom court may be given sashes to wear and photographed together. Similar events, which may be locally inspired by debutante balls, take place in many other parts of the world. In Canada, the terms "formal" and "Grad" are often used, while in Australia and New Zealand, the terms…
Debutantes at the Chrysanthemum Ball in Munich (2012)
Some attendees of the 2013 Vienna Opera Ball
Young women making their debut accompanied by the younger attendants in Queensland (1948)
An 1890s-era debutante gown