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OTRC: Salma Hayek wears black lace dress to 24 Hours Museum launch in Paris (Poll)

Salma Hayek and husband Francois-Henri Pinault appear at the launch of the '24 Hours Museum' in Paris on Jan. 24, 2012, as seen in this photo posted on the facility's website at 24hoursmuseum.com. (24 Hours Museum)

Salma Hayek wore a low-cut, black lace Alexander McQueen dress with a nude, silk underlay and shoulder pads to the recent launch of the 24 Hours Museum at the Palais d'Iena in Paris.

The 45-year-old completed the look with a black velvet choker and black platform heels. Her long-sleeve, knee-length dress, which features scalloped edges and a cutaway skirt, retails for at least $2,000.

Hayek attended the event on Tuesday, January 24, with husband Francois-Henri Pinault, the CEO of luxury goods company PPR, which also owns the Alexander McQueen brand as well as other fashion labels such as Balenciaga, Gucci and Bottega Veneta.

The Palais d'Iena houses France's economic and social and environmental council, which serves as an advisory board to the government. Artist Francesco Vezzoli and designer Miuccia Prada took over the facility for 24 hours between Tuesday and Wednesday and transformed it into a makeshift "pop-up" museum.

A private dinner for 150 guests was held during the launch, which featured "L.E.D.-enhanced replicas of antique sculptures" resembling Vezzoli as well as stars such as Natalie Portman, Lady Gaga and Courtney Love, the New York Times reported.

In addition to Hayek, other celebrities who attended the event included Vogue editor-in-chief Anna Wintour, supermodel Kate Moss and famous burlesque dancer Dita Von Teese, as seen in photos posted on the museum's website.

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