She's only been a new mom for a few months, but Blake Lively is already showing off a figure like the one she has before she was pregnant. 

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The 27-year-old actress, who gave birth to her daughter, James, with husband Ryan Reynolds four months ago, stepped out to do more press for her upcoming film, The Age of Adaline, on April 16 in L.A.--and showed an very slim post-baby figure.  

The actress left her blond waves loose, falling over the shoulders of a short, yellow, David Koma dress with pockets, which showed off both her trim waist and amazingly long legs. She finished off the look with rhinestone-embellished Sophia Webster platform shoes, Jennifer Meyer earrings, and an Ofira ring.  

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The new mom has been making the rounds in recent days to promote the new film, and has admitted that she finds it to be magical in a way that films rarely appear to be anymore. 

"I feel like magic doesn't exist much in films these days, unless it's a superhero movie or has a wand. But that magic in humanity, magic in a quiet film, is rare," she told Us Weekly. "...When [movies]like this come along, they're called 'little movies that could.' Adaline is sort of between that, because it's a movie that can reach a broader audience, but it still has that magic and humanity."

Tags: Blake Lively