i wear a size 10 in juniors pants because...
i wear a size 10 in juniors pants because i have big legs should i get a large? and will the waistband gap since my waist isn't a size 10?
I would suggest a large! Also, the waistband has an internal velcro cinching system that you would never notice from the outside, but it helps to adjust things so the waist should be fine.