Elkann planted a kiss on Thurman's lips when the actress congratulated him after he won a USD 196,000 bid for a Victoria's Secret Show experience, reported Aceshowbiz.
"It is opportunism at its worst. She wasn't complicit in it," Thurman's rep said after the event.
"Somewhere in his head he must have thought it an appropriate way of behaving. It clearly wasn't. She is very unhappy that this happened to her and feels violated.