Fashion experts on why Olivia Newton-John's final Grease outfit was so iconic

Following the actor’s death, Prudence Wade takes a look back at the memorable all-black ensemble.

Olivia Newton-John: Her Best Outfits Through the Years, Photos – Footwear News

Olivia Newton-John - Interview Magazine

Olivia Newton-John Auctions Iconic 'Grease' Costume (and More) for a Cause – The Hollywood Reporter

Grease' fans remember Olivia Newton-John's iconic outfit

Olivia Newton-John's Iconic Grease Outfit Up for Auction to Fund Cancer Treatment Centre

Olivia Newton-John death: Daughter posts moving tribute to Grease star, who has died aged 73 - Yahoo Sports

Olivia Newton-John reunites with John Travolta in their iconic Grease costumes for the first time

One Iconic Look: Olivia Newton-John's You're The One That I Want Ensemble in “Grease” (1978) - Tom + Lorenzo

Grease' fans remember Olivia Newton-John's iconic outfit