I applied through other source. The process took 1 day. I interviewed at Size (Brighton, England) in Aug 2016
Interview
Short interview in the office with Store Manager and Assistant Store Manager. Casual and friendly, felt at ease. Fairly simple questions in order to get to know me a bit better. And provided lots of information about what I would be doing. Heard from them the same day, only a couple of hours after.
They want to know why you are interested in fashion, what knowledge you have etc. They will ask why you have a passion for fashion - it is fairly informal