DD is skinny and has long legs for her height (sadly she doesn't get this from me) and I'm really struggling to find jeans that fit her, she's worn Gap jeans for years because they seem to fit best but she had a growth spurt this year and they don't seem to fit her any more. The Gap super skinnies look like wide leg jeans on her and the legging jeans look ok (like straight leg jeans) on her legs but don't have an adjustable waist so fall down, she says they're uncomfortable with a belt. What shops are good for skinny girls?