This foundation piece should be simple and effortless, something you just throw on without even trying (cool girls ... dress code conundrum can be easily solved with a trusty white T-shirt.

The Black 100% Cotton Twist Short Sleeved T-shirt Summer Dress, also on offer in khaki, navy/white stripe, and plum, is retailing at £24. This laid-back T-shirt dress features 'breathable' cotton ...