this picture is something i found and i also found a website with clothes little mix weares in the corner you see a litte picture were the girls wear the clothes and you can buy it so i hope this helps this is the site :link
for jade: primark do the vest buttoned tops with a tye at the bottom, a bow tie, some black shorts which you can get from next and black tights from anywhere!
perrie: a floral dress or something hippy!( with a head band) and some pretty shoes
jesy: patterned leggins from newlook high tops converse or doctor martins. a sequiny top from anywhere.
leigh anne: a cap, a dweeb slogan top from newlook because leigh anne has the exact top and some shorts!