The 45-year-old wore a skin colour, knee length dress. She was at the Night Of New York Class gala benefit to help ban the use of carriage horses in New York City.
She was accompanied by Dan Matthews, senior vice president of People for the Ethical Treatment of Animals (PETA), thesun.co.uk reported.
The actress has been actively involved in the welfare of animals. She had earlier participated in protests against seal hunting in Canada.
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