India, Sept. 23 -- Actor Lili Reinhart is stepping into the rom-com canon with The Love Hypothesis, and she's dressing the part. While promoting the upcoming film, the actor has been revisiting some of cinema's most memorable leading ladies, recreating their iconic looks through custom creations and clever styling.

Reinhart channelled Jennifer Garner's Jenna Rink from 13 Going on 30 in a Fleur du Mal lace slip layered under a polka-dot trench that's instantly recognisable from the 2004 film. The Nanette Lepore coat appears in the 2004 rom-com when Jenna wakes up in her 30-year-old body and rushes out of her apartment.

For this emerald moment, Reinhart looked to Keira Knightley's unforgettable green gown from Atonement (2007). Her custom...