Martha Stewart Hits Miami for Art Basel Party

Martha goes Miami!

While in Miami for Art Basel, Martha Stewart attended Roger Dubuis’s event for the Velvet Collection presented by Dom Perignon and Haute Living at Villa Azur on Wednesday.

“Martha arrived right before dinner was served and was chatting with Daphne [Guinness],” an onlooker tells PEOPLE.

“She was talking to her friends that she brought and seemed to be having a great time,” the source adds. “She had a huge smile on her face. She looked really good!”