How do you find expensive-looking summer buys on the high street? After working in fashion for quite some time, I have an instinct for determining what affordable pieces could pass off as designer. But there are definitely a few boxes that need ticking to ensure that they look as expensive as possible. The first thing I look at is the material. A non-man-made fibre is ideal. Cotton, lyocell and linen are always materials I look to for that more luxe-looking sheen, especially during the warmer months. The next tip is the silhouette of the piece. Does it fit with current trends that have come straight off the S/S 21 runways? If so, I tend to think it looks more designer. That said, classic items such as blazers and shirtdresses in muted tones also tend to look richer.