Colour or Black & White?!

So one of my biggest problems when ordering personal images of my kiddies is whether to go for colour or black and white.

Such a hard decision with some images, where as with others straight away from the first glance you can see which looks better,

Here are a few images from recent sessions which I have struggled to choose between so clients have been given the choice within their proofing galleries,

So which do you prefer for your images,

Colour or Black and white?