Sightings

PATRICIA and Roger Silverstein hosting a benefit at their Water Mill home for the Diabetes Research Institute. The afterparty had the theme “St-Tropez in the Hamptons” — complete with host Roger DJing . . . MMA fighters Calvin Kattar and Rob Font at the opening of CardVault Foxwoods at Foxwoods Resort Casino . . . JON Bon Jovi and his son Jesse Bongiovi at TAO Chicago promoting their Hampton Water vino.