Whenever I want affordable, pretty dresses, I immediately think of Mango and it's plethora of affordable frocks (some of which are even more affordable right now, since much of the site is 50-70% off). Something that I love about Mango, in general, is that they follow the trends but they always keep things easy and wearable. In terms of dresses, casual is where they shine, and 2020 just so happens to be the year that casual dresses became the only type of dresses that matter.
Brands have quickly caught onto the fact that this year everyone just wants to be comfortable, and I've caught onto the fact that some dresses are even more comfortable than sweats. So that's exactly what I looked for in Mango's expansive dress section. Keep scrolling to shop the results of my search (AKA 27 dresses I would buy in a second.