I wish I knew it sooner...
No matter how hard I tried to copy outfits from online, they always turned out... not great on me, to say the least. It was always because I didn't understand proportions of my own body and how clothes pieces work together, what suits me the best, no matter the style.
Let's help each other by posting helpful resources to understand how we can make clothes work for our bodies, not bodies work for clothes!
I present to you two YouTube link to videos: