1/7: Lily Collins took to her Instagram to share a series of pictures from the lookbook of Emily In Paris 3. / Image: Lily Collins/Instagram

2/7: The actress shared several stills from the movie in character. / Image: Lily Collins/Instagram

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3/7: Lily Collins also shared an unseen BTS picture from the shoot. / Image: Lily Collins/Instagram

4/7: In the photos, she donned the look of her character Emily. / Image: Lily Collins/Instagram

5/7: Along with the photos she captioned the post, "As I step back into Emily’s shoes, reminiscing on some of my favourite S3 looks and moments. Cannot wait for you all to see this year’s style evolution…" / Image: Lily Collins/Instagram

6/7: She also shared a photo with the other cast members. / Image: Lily Collins/Instagram

7/7: The actress's look book has been earning high praises on social media. / Image: Lily Collins/Instagram