A promenade dance or prom is a formal dance party for graduating high school students at the end of the school year. Students participating in the prom will typically vote for a prom king and prom queen. From Wikipedia
Jessie and D’Lila Combs, 18, attended their senior prom in Los Angeles on May 17, taking a brief reprieve from their father’s ongoing federal trial on racketeering and sex-trafficking charges.