Fans remember Olivia Newton-John's iconic Grease outfit: 'The world changed for me

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

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

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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