Had an online application in three parts. You start with a basic test about what you would do and they reccomend if you should persue the application further. From this you have a question form and a basic test,you have to complete a personality form and another on line test which puts you in the situation. When being interviewed it was a one on one interview. It was brilliant. We dived in straight away with a role play where I had to advise the customer of what vegetarian meals they could buy because the butternut squash was out of stock. Prior to this i was given a set of sheets to take notes on, I had to pay attention to the requirements - such as offering add-ons throughout. After that, which went really well another manager came in to ask me some basic questions about how accessible I am and why I want to work at M&S. I was given a job then and there.