Amanda Seyfried, Megan Fox, Naomi Watts, Amy Adams, Kim Kardashian, Jessica Chastain. The list of celebrity A-listers riding the new hairstyle wave is endless. And for good reason. The glamorous side-swept look featuring soft curls (first made popular in the 1940s by screen siren Veronica Lake) is easy on the eye — and easy to recreate!

VIDEO: Learn how to get Olivia Munn's natural makeup look

It's also the perfect solution for when you want to wear your hair down but the occasion calls for a something fancier.

In the video, Us Weekly Beauty Director Gwen Flamberg explains step-by-step how to recreate the look at home. The key? A super-deep side part.

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Watch and learn!

This article originally appeared on Exclusive Video: Amanda Seyfried's Gorgeous Retro-Glam Waves: Copy Her Style!