While telling a story about an encounter with fans in Italy on last night's The Late Show, Zac Efron said, "There were more [girls] than I thought there would be." David Letterman interrupted, saying:

"You just said something that I've never said in my entire life. There were more girls than you thought there would be? That has never happened to me." Zac went on to describe what happened after he was "bum rushed" by Italian fans — one of them left something very personal behind. Clip at left.