Sigourney Weaver Looks Amazing In Low-Cut Gown

10/31/2013 09:55 am ET

Now this is how it's done.

Yesterday (Oct. 30), actress Sigourney Weaver stole the show (and the red carpet) at the American Ballet Theatre's 2013 opening night fall gala in New York City.

The "Avatar" star was a vision of elegance and glamour in a sexy black sequined dress with a plunging neckline.

sigourney weaver

sigourney weaver

Weaver finished off her gorgeous look with simple gold jewelry and smooth, wavy hair.

sigourney weaver

Can you believe the Academy Award-nominated star is 64 years old? She remains a timeless fashion inspiration decade after decade.

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Sigourney Weaver Style Evolution