4 stars rocked the best accessory on the Met Gala red carpet

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The Future of Fashion and the Making of 'Manus x Machina' with Met Curator Andrew Bolton
The Future of Fashion and the Making of 'Manus x Machina' with Met Curator Andrew Bolton

Blake Lively, Kerry Washington, Olivia Wilde and Emily Blunt all had one thing in common at tonight's Met Gala -- these four ladies had the best accessory you can possibly bring to a red carpet.

A baby bump!

Each of the women already has one little one at home, but excitedly showed off their growing bellies on the red carpet tonight. Olivia Wilde and Emily Blunt walked together, both wearing custom Michael Kors gowns, while Kerry Washington affectionately held her stomach under an incredible Marc Jacobs dress.

Blake Lively was one of the last people to arrive for the Gala this year, wearing a gorgeous pink, flowing Burberry gown. She walked with Christopher Bailey, creative director of the brand.

Click through above to see each of the women with the cutest accessory of the night!

More Met Gala:
Red carpet arrivals at the 2016 Met Gala
10 best Met Gala dresses of all time
Through the years: A walk down the Met Gala red carpet

Plus, every single red carpet look from the Met Gala:

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