Paps Punk'd By Ashton Lookalike

12/10/2007 4:42 PM PST BY TMZ STAFF
TMZ was fooled by an Ashton Kutcher dopplelganger in NYC last night. He tried to convince us that a nobody at JFK was actually the husband of Demi Moore. Hmmmm...

We were momentarily duped ... until he opened his mouth and started yapping.