Ahead of its time': how Olivia Newton-John's final Grease outfit became a cultural phenomenon, Olivia Newton-John

Images of Sandy Olsson’s infamous makeover accompanied many tributes to the actor who died this week

Olivia Newton-John's Tale of Two Sandys

Ahead of its time': how Olivia Newton-John's final Grease outfit became a cultural phenomenon, Olivia Newton-John

Olivia Newton-John's 'Grease' ensemble sold for more than $400K at auction - ABC7 Chicago

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

Olivia Newton-John - News - IMDb

It's electrifying! Olivia Newton-John on her big Grease auction, Fashion

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

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

Olivia Newton-John's 'Grease' ensemble sells for $405,700 – more than double auction estimate

Olivia Newton-John, singer and actress, dead at 73

How Olivia Newton-John almost turned down Grease - until John Travolta told her a surprising secret