Will Smith Unapologetic About Slapping Reporter

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It was the smack heard (and seen) 'round the world and tonight on Late Night with David Letterman, Will Smith opens up about his uncharacteristic slapping of a Ukrainian reporter--- an incident that quickly made international headlines.

VIDEO: Will Smith Slaps Reporter

"I was in Moscow and we were doing an interview," Smith explains of the now-infamous event in which a journalist tried to land a surprise peck on the star. "[The journalist] says, 'I'm your biggest fan, can I have a hug please?'. So I go to give this joker a hug and he, like, tries to lean in and kiss me…It's just awkward."

Officials at the event later apologized on behalf of the man in question telling Smith that his behavior was well-known "schtick" to which he replied, "Well, that's why his a** got schtuck."

VIDEO: Go Behind the Scenes of 'MiB 3'

The incident, which you can see here, shows the reporter going in for a hug from the Men in Black 3 star before getting a bit too close for his comfort.

Tune in to Late Night with David Letterman tonight for the full interview.