Job interviews are not always a walk in the park. While most people show up wearing a suit to a job interview , others tend to dress down for a casual ensemble, depending on the role, of course. But since job interviews are all down to first impressions, it's crucial to look the part when you're hoping to secure a new position. Now Dragons' Den entrepreneur Steven Bartlett has ignited a storm of reactions when he urged people to stop wearing one clothing item to their job interviews.