The Skinnygirl mogul "sipped Patrón at a cocktail table in the bar area with a gentleman that looked to be in his mid-50s," an onlooker tells PEOPLE.
But it was only "tequila and conversation" for the duo, who didn't order anything off the dinner menu.
Despite her very public split from husband Jason Hoppy, Frankel's spirits seemed high. "She was laughing and smiling and even took pictures with guests at the bar," the source adds.
– Dahvi Shira