1 of 17 Neilson Barnard/Getty Images
This sleek blue Zac Posen gown worn at the 11th annual CFDA/Vogue Fashion Fund Awards was a grand slam.
2 of 17 Jason Merritt/Getty Images
Ava Duvernay served a cape silhouette, in a midnight curve-hugging style by Zac Posen. Love it!
3 of 17 Catwalking/Getty Images
Zac Posen walks the runway with Naomi Campbell at the Zac Posen Autumn Winter 2015 fashion show during New York Fashion Week in New York.
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Uzo Aduba was gorgeous in this green Zac Posen frock at the 22nd Annual Screen Actors Guild Awards in Los Angeles, California.
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Viola Davis was a true beauty in this glam Zac Posen gown at the 22nd Annual Screen Actors Guild Awards in Los Angeles, California.
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Rihanna was definitely the belle of the ball, as she hosted the Diamond Ball in this Zac Posen frock.
7 of 17 Sean Zanni/PMC
Model Grace Bol stuns on the red carpet at Pat Cleveland "Walking with the Muses" hosted by Andre Leon Talley, Zac Posen, Anna Cleveland, Sean MacPherson, David Kuhn and Rachelle Hruska at The Jane Hotel in NYC.
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Gabrielle Union had a pretty in purple moment in Zac Posen for the annual MET Gala.
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At the Alvin Ailey NYC premiere, Iman enchanted us Dorothy Dandridge-style in a breathtaking scarlet Zac Posen gown with finger waves at Alvin Ailey.
10 of 17 Marjorie Harvey Instagram
Marjorie Harvey gives a super glam moment in a gorgeous red Zac Posen gown.
11 of 17 Steve Zak Photography/WireImage
Lupita Nyong'o attends Star Wars 'Force 4 Fashion' launch event at Skylight Modern in New York City.
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A magnificent purple gown for the opening of 'The Color Purple' on Broadway! We love the train of thought here. This radiant gown fits Jennifer like a glove and the layered detail at the bottom of the dress is gorgeous.
13 of 17 D Dipasupil
14 of 17 Dimitrios Kambouris
15 of 17 Dimitrios Kambouris
16 of 17 Jenny Anderson
17 of 17 Jason Merritt/Getty Images
Tracee Ellis Ross attends the 67th Annual Primetime Emmy Awards at Microsoft Theater in Los Angeles.
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