Last night was fashion's biggest night of the year and everyone - and we do mean everyone - was there. Screw the Oscars! For fashionistas, the Metropolitan Museum's "American Woman: Fashioning a National Identity" was the real proving ground:

There were several major trends on display. Sparkle Motion was very popular. Claire Danes' Burberry take was vaguely Medieval.


Nicole Richie, typically romantic in Marc Jacobs.


Advertisement

Gwen Stefani, natch, repped L.A.M.B.


And it's only fitting that SJP should rock disco-fab Halston Heritage!


Advertisement

Also 70s-retro: Erin Fetherston in high-sheen Mrs. Roper-chic.


Marion Cotillard in Dior.


Advertisement

Repping the obligatory good witches out there: Anne Hathaway in Valentino.


Doutzen Kroes, in Zac Posen, balances her princessy gown with sexyface.


Advertisement

Jennifer Lopez, understated in Zuhair Murad.


And doing "bad witch," Mila Kunis in Vera Wang.


width="500" height="752" />Jennifer Lopez, understated in Zuhair Murad.


Advertisement

At the sleek end of the spectrum, we have Zoe Saldana in classic CK.


Advertisement

Doing bridal, Emma Watson in Burberry.


And fellow child-bride Taylor Swift in Ralph Lauren!


Advertisement

Call me crazy, but I liked Chloe Sevigny's fun, flirty Proenza Schouler.


Less controversial minis? Emma Roberts' Marni.


Advertisement

Ditto Emilie de Ravin.


Doing deco charmeuse, Jessica Alba in Sophie Theallet for Gap...


Advertisement

Jessica Biel in Ralph Lauren...


...and Iman in Prada.


Advertisement

Saturated color kept the red carpet fun. Amber Valletta's sleek blue was a favorite.


And Christina Hendricks is absolutely stunning in cerulean L'Wren Scott.


Advertisement

Kerry Washington in Thakoon for Gap.


Rachel Weisz in custom Oscar de la Renta.


Advertisement

Naomi Watts in raspberry Lanvin.


Thandie Newton is engagingly deconstructed.


Advertisement

And bravely taking on the yellow family, Melissa George in J. Mendel.


A rare print, Rachel Bilson's Louis Vuitton.


This image was lost some time after publication.

Advertisement

Getty." />