The phrase refers to the selection of attire inspired by the actress and singer Hailee Steinfeld for the occasion of Halloween. Such choices often reflect her public image, character portrayals, or fashion styles observed in media appearances. Examples might include recreating a red-carpet look, embodying one of her film roles (such as Emily Dickinson), or imitating a specific music video aesthetic.
The selection of celebrity-inspired outfits for festive celebrations demonstrates the influence of popular culture and the aspirational appeal of well-known figures. Choosing to emulate a celebrity figure can allow for creative expression and the opportunity to engage with broader cultural trends. Historically, Halloween costumes have often drawn inspiration from notable personalities, reflecting contemporary values and interests.