Need help adjusting my lights

I was shooting late yesterday and the model was late so the sky was a bit too dark. But Im still not happy about the lighting.
Im looking for some tips on what I couldve done to improve this type of shot.

I used two shoot through umbrella's. One 45 degrees down cam left, one for fill cam right.

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now, by no means am i an expert. i think a hair light or a back light to make her stand out from the background. i am waiting for responses on this as well becasue i am trying to better myself.

ok, maybe it looks fine cause i just looked at it on another monitor and it looks good. disregard my posts. im useless!!!!

Thanks for your opinion. I see what you mean though. She doesnt pop out and that's part of my inexperience. I also spent some time reducing hot spots but they are still noticeable especially on the chin.

What light modifiers were you using ?

Two shoot through umbrellas with yongnuo's attached.