You look great, Thistle. That's a nice transitional skirt (I mean summer to autumn). The white makes it feel light and fresh but the pattern feels a bit autumnal to me.
(Hot here, too...I sympathize...)
How do the models pull it off? First, they are very young. Second, they are working with expert photographers! Third, they are wearing a lot of makeup!
Seriously, though, some blondes can wear black brilliantly, although it's high contrast and strong on them. Look at our Deborah for an example! She has bright, light blonde hair and she always wears a bright lip to balance the black. Or look at Angie. She rarely wears all-black, but she doesn't shy away from black, that's for sure.
I actually like black on me, though technically I am not "supposed" to be able to wear it. Mind you, I don't like it in midwinter with no makeup. And I don't like a whole outfit of it (for me). Debs does that well, but I feel overpowered by it and deadened.
There are flat blacks that seriously make me look ill and very tired. But a black with a certain richness can work, as long as I show some skin, or add a colour that flatters me a lot somewhere not far from my face, or wear my black specs for definition.
I have cool-toned skin. That is why I "get away with it" even though black is technically too strong for me. Charcoal is one of my best colours -- and they are not that far off.