Cosplay whoever you like, regardless of race. Anyone who says otherwise is an arrogant bitch who'd probably criticize you for anything else anyway.
Currently working on:
Marina and the Diamonds (Electra Heart) -- Real Life 20% done
Jade Harley 3AM -- Homestuck 50% done
Roxy Lalonde Casual -- Homestuck 75% done
Jade Harley God Tier -- Homestuck 10% done
Empress Sissi of Austria-Hungary -- Real Life 0% done
Roxy Lalonde Purple Dress -- Homestuck 0% done