Demi Moore Scary Skinny On NY Red Carpet – Still Wearing Wedding Ring

Oct. 18 2011, Published 3:30 p.m. ET

Carrying the weight of husband Ashton Kutcher's rumored fling looks to be taking its toll on Demi Moore, who looked scary skinny posing on the red carpet Monday at New York's Landmark Sunshine Cinema for the premiere of the new thriller Margin Call.

The gaunt Ghost star took to Twitter to send her well wishes to designer Zac Posen, who provided her with the sleek red number she wore to the event.

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"Thank you @Zac_Posen for such a beautiful frock for the ‘Margin Call’ premiere!" Demi tweeted Tuesday.

As we previously reported, Kutcher is accused of bedding a 23-year-old woman named Sara Leal at the Hard Rock Hotel in San Diego last month, on the same night of his sixth wedding anniversary with Demi.

While Kutcher did not attend the event with Moore, she was wearing her wedding ring.

"Ashton and Demi have separated and the marriage is over," a source close to the pair told Star magazine. "The relationship ended because of Ashton's serial cheating. It's a painful time for Demi. It was definitely a long time coming, but they’re finally done for good.”