The phrase represents a specific event: a Halloween celebration hosted by Neil Patrick Harris where the theme involved dressing up as, or paying homage to, Amy Winehouse. It signifies a single instance of a celebrity-hosted event centered around a particular theme. An example would be guests arriving in outfits inspired by the late singer’s iconic style.
Such events offer insights into celebrity culture and the creative ways in which famous individuals and their guests engage with popular culture icons. Historically, themed parties have been a common form of entertainment and self-expression within affluent social circles, with costumes and dcor reflecting contemporary trends and figures.