While the Oscars is all about the best films of the year, the Vanity Fair Oscars after party is all about who wore the best dress!

Sure, the award show's red carpet had some notable fashion moments, but it was the after party that gave fans a chance to see the stars who weren't in attendance.

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Singers like Mariah Carey and Katy Perry totally stunned in their after party gowns, while attendees like Best Actress winner Emma Stone made epic wardrobe changes.

For more Oscars' coverage:

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Halle Berry, Justin Timberlake, and More Stars' Best Sound Bites From the Oscars 2017 Red Carpet

Oscars 2017 Red Carpet: See Taraji P. Henson, Emma Stone, and More A-List Arrivals!

Scroll through the gallery below to see the best looks of the night!