I thought I would swatch them so that you can see what you think about this for yourself, side by side.
First up is the Graphite Palette!
Now Bad Girl:
Without flash (Top Graphite, Bottom Bad Girl)
Graphite palette:
Bad Girl palette:
Similarities:
Greys and silvers - close but not exact though!
Differences:
Bad Girl has a mix of matte and shimmer finishes.
Bad Girl has blues, and greeny grey hues included.
The purples are actually quite different in both palettes.
Graphite has very dark shimmery, almost black hues.
Bad girl has dark, but browny hues that are quite matte.