Twins baffled by beardless Brad

Brad Pitt's youngest children didn't recognise him without a beard.

The 46-year-old actor - who raises six kids with partner Angelina Jolie - left two-year-old twins Knox and Vivienne confused when he returned home clean-shaven and brown-haired after a trip to the barbers to alter his appearance prior to starting work on his next movie 'Moneyball'.