[size=1]you wouldnt have to bleach your hair.
the only reason that bleaching would be needed is if your hair was dark & you were wanting to get it very light.
my hair used to be black with light blonde[almost white] on the top.
and before she put the black on, she put the blone on, naturally.
but my hair was a prety dark brown before i even went to get it done.
the person who dyes her hair could most certainly dye a medium shade of blonde with the colour her hair is now.