Sienna Miller wishes Matthew Williamson a happy 15th anniversary in glam video

Actress Sienna Miller flaunts her svelte post-pregnancy frame in a short film made to commemorate designer pal Matthew Williamson’s 15 years in fashion

Sienna Miller flaunts her svelte post-pregnancy frame in a short film made to commemorate designer pal Matthew Williamson’s 15 years in fashion.

NUDE PORTRAIT OF PREGNANT SIENNA MILLER GOES ON DISPLAY

The three-minute film, titled Matthew Williamson XV, features Sienna blowing out the candle on a birthday cupcake, and also stars Andrea Riseborough (who plays the mother to a teenage Matthew in the short), Poppy Delevigne and dancers from the Royal Ballet, who were choreographed by Random Dance company founder Wayne McGregor.

Directed by Tell No One, the atmospheric film also stars some of Matthew Williamson’s most gorgeous and vividly hued embellished dresses, including three exclusive Swarovski designs reworked especially for the anniversary, including a peacock-feather embroidered dress worn by Poppy Delevigne and a papaya feather-trimmed dress, worn by Sienna Miller, and available for sale at Net-a-Porter.

SIENNA MILLER MAKES HER FIRST RED CARPET APPEARANCE SINCE BIRTH OF DAUGHTER

This film marks Sienna’s first return to the silver screen since the birth of her baby girl, Marlowe, in July, but the actress was splashed all over the headlines last week when a nude portrait of her in the late stages of pregnancy, painted by Jonathan Yeo, was unveiled to the public. Watch: Sienna Miller wishing Matthew Williamson a Happy 15th!

MATTHEW WILLIAMSON CELEBRATES 15TH ANNIVERSARY WITH FASHION’S A-LIST

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