Pretty as a petal! Allison Williams is lovely in floral-themed green and white gown at Gotham Awards in NYC

Allison Williams was a delight in a floral-themed gown at the Gotham Independent Film Awards in New York Monday night.

The actress, 29, was at the event in support of her summer hit movie Get Out, which was nominated in several categories.

The former Girls star rocked a full-length sleeveless white dress with long-sleeved sheer overlay with green and white embroidery.

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Pretty as a petal: Allison Williams was a delight in a floral-themed gown at the Gotham Independent Film Awards in New York Monday night

Pretty as a petal: Allison Williams was a delight in a floral-themed gown at the Gotham Independent Film Awards in New York Monday night

The pretty number pooled around her feet as she posed for photos on the red carpet.

The pattern featured white flowers and green leaves.?

Allison's gown was tied at the waist with a narrow white sash.?

Lovely: The actress, 29, wore her blonde hair styled in loose curls and accessorized with diamond and emerald earrings to match her dress

Lovely: The actress, 29, wore her blonde hair styled in loose curls and accessorized with diamond and emerald earrings to match her dress

Red carpet ready: The former Girls star rocked a full-length sleeveless white dress with long-sleeved sheer overlay with green and white embroidery and a narrow sash tied in a bow
Red carpet ready: The former Girls star rocked a full-length sleeveless white dress with long-sleeved sheer overlay with green and white embroidery and a narrow sash tied in a bow

Red carpet ready: The former Girls star rocked a full-length sleeveless white dress with long-sleeved sheer overlay with green and white embroidery and a narrow sash tied in a bow

The daughter of NBC anchor Brian Williams wore her blonde hair styled in loose curls and accessorized with diamond and emerald earrings.

She added black mascara, rosy blush and pink lip color to complete her look.

Allison was joined at the event by her Get Out co-star Daniel Kaluuya.

The British actor, 28, was dapper in a blue suit with black t-shirt.?

Reunited: Allison was joined at the event by her Get Out co-star Daniel Kaluuya, 28, who was dapper in a blue suit with black t-shirt

Reunited: Allison was joined at the event by her Get Out co-star Daniel Kaluuya, 28, who was dapper in a blue suit with black t-shirt

Addressing the crowd: The actress spoke on stage during the awards show

Addressing the crowd: The actress spoke on stage during the awards show

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