Robin Williams & Daniel Day Lewis -- Twinsies!

3/4/2011 12:20 PM PST
Oscar winners Robin Williams, 59, and Daniel Day Lewis, 53, must share the same, er, stylist.

Robin showed off his bearded look in NYC this week (left) -- while DDL added a hat and scarf to the shady scruffy chic at LAX on Thursday (right).

Somebody definitely drank the other's milkshake.