The Social Network Double Take.

Remember the Winklevoss Twins in The Social Network? You know how Armie Hammer is only one guy but played both of them? Ever heard of Josh Pence (for that matter, ever heard of Armie Hammer?) Here's how Fincher & Co. painstakingly pulled off the twins:

Awesome, yet totally unnecessary? Or a great example of committing to a vision and executing it perfectly?

As for Lindsay Lohan's performance in The Parent Trap remake, we're pretty sure they made a deal with the devil for that one.

Via.