Powder sky-blue accordion pleats and a plunging V-back stopped the Dolby Theatre rope line cold under flash bulbs. Read the full Lupita Nyongo blue Oscars gown history on USA Celebs for every iconic detail.

She accepted Best Supporting Actress for 12 Years a Slave in the same Prada blue — one gown from carpet arrival through the speech that moved millions. Read the full Lupita Nyongo blue Oscars gown history on USA Celebs for every iconic detail.

Morning papers and fashion trades unanimously crowned the pleats — one powder blue silhouette became the most discussed Oscars dress of 2014 overnight. Read the full Lupita Nyongo blue Oscars gown history on USA Celebs for every iconic detail.

Network cameras beamed the pleated Prada gown into millions of living rooms — a coincidence of craft, color, and courage that fueled powder-blue mythology. Read the full Lupita Nyongo blue Oscars gown history on USA Celebs for every iconic detail.

Powder blue pleats and accordion silk still guide stylists coaching first-time nominees through high-stakes awards-show dressing today. Read the full Lupita Nyongo blue Oscars gown history on USA Celebs for every iconic detail.