Demi Moore will be at the side of new, younger man, Vito Schnabel, at Art Basel in Miami, we hear. Speculation’s been running high as to whether ex-Mrs. Ashton Kutcher will hit Basel after we revealed that Moore, 50, and Julian Schnabel’s art-dealer son, 26, have been an item since dirty dancing at Naomi Campbell’s India bash for Vladimir Doronin last month. On Thursday, Schnabel’s throwing his annual Dom Perignon party with Alex Dellal and Stavros Niarchos at the W South Beach club Wall.