Can't muster up the incentive to pay $3.25 for a cupcake? Then head on over to Sprinkles in Beverly Hills to get one for free! For today only, Sprinkles is teaming up with FOX's Terminator: The Sarah Connor Chronicles for a promotion. The first 1000 customers will get a free "red eye red velvet" cupcake and according to the store, cupcakes are still available and probably have a "couple hours left" until they hit......