When Lili Reinhart stepped out in a backless green dress with a plunging neckline held together by thin strings, the design immediately gave fans a sense of déjà vu. Jacqueline Durran designed the original gown for Keira Knightley’s character in the 2007 film “Atonement.” Tory Burch reimagined the iconic green dress for last year’s Vogue World: Hollywood event.

Now, in another instance of collaboration between Reinhart and Burch, the “Riverdale” star donned the custom piece. Paying homage to Knightley, she posed for photos in front of a bookshelf, referencing the iconic library scene in “Atonement.” The silhouette features a plunging neckline held together by delicate straps. For accessories, a White Sakura Blossom Brooch from Anabela Chan, a Diamond Fleur-de-Lys Bracelet, and a Supersized Diamond Shard Bracelet completed the look, reported Celeb Style Radar.

The ensemble was worn as part of Lili Reinhart’s promotional run for “The Love Hypothesis.” Adapted from a novel of the same name, the film stars the actress Olive as its lead. The official Instagram handle shared Reinhart’s photos. In the captions, they referenced the famous “Come back. Come back to me” line delivered by Knightley from the 2007 film.

Fans were quick to catch on to the reference, showering praise on the dress that became etched in film history. “Oh the timeless Atonement dress!” wrote one fan. Another user wrote, “Evelyn Hugo Coded,” referring to another bestselling novel that features a similar green dress on its cover. Beyond these references, most fans agreed that Reinhart was the perfect casting for “The Love Hypothesis.” A fan account for the film noted, “Truly Olive, this woman I tell you.” Another called her the “Rom com queen of our generation.”