TODAY marks the start of Chocolate Week and so there is just one question to kickstart your conversations over the breakfast table or at the water cooler this morning....what's your favourite?

We have listed last year's top 10 best-selling brands below and all you need to do is click the up arrows next to your favourites and the down arrows next to the ones you like the least. 

Is your best bar missing from the list?

Let us know in the comments section below.