I’m sure it would be fine if you credited the stylist/whoever’s picture it is, and link back to their website or blog if possible!posted over 5 years ago
I think it’s best to ask permission if you can; shoot them a private message or email and ask if you can post their look on your blog with credit. I doubt anyone would ever turn you down (I’m sure they’d be thrilled you love their look!), but this allows them to know which blogs their images are being used on, which they might not know about otherwise. (This can also work in your favor, like if they make a post about how they were featured on your blog so then their readers come over to yours to see— and maybe they stick around!).
If you can’t get hold of them, though, I think you’re fine posting the image with credit a link back to the source (like their blog or the Chictopia post you took it from).posted over 5 years ago