Sienna Miller and Anna Wintour

Sienna Miller and Anna Wintour

Sienna Miller dazzled guests at a New York fashion premiere in this super cute sky blue mini prom.

The Brit actress is definitely back in everyone's good books after hitting the red carpet in this fab Thakoon dress.

Sienna was schmoozing with Vogue editor in chief Anna Wintour and the rest of the New York fashion pack at the 'September Issue' premiere party.

The colour of the dress was perfectly matched with Sienna's golden locks and natural looking tan.

Sienna teamed the stunning dress with  gold Jimmy Choo sandals, mini silver clutch from Bottega Veneta and statement earrings from Erickson Beamon.

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