The simplicity of the outfit – black trousers, black top, red lipstick – has assisted its staying power, says Bailey.
Released nearly 45 years ago and set in the 1950s, Grease remains part of the zeitgeist – with Newton-John’s now-infamous makeover and final outfit central to that.
The death of Olivia Newton-John this week was followed by an avalanche of tributes from celebrities and fans on social media.
[This outfit] is marking a moment in the story of Grease, but it’s also a fashion statement.