Chris Brown Tattoo: Is That Rihanna On His Neck?

Brown's rep tells TMZ that the tattoo in question is actually based off a Dia de los Muertos-themed MAC Cosmetics design: "His tattoo is a sugar skull (associated with the Mexican celebration of the Day of the Dead) and a MAC cosmetics design he saw. It is not Rihanna or an abused woman as erroneously reported."
PREVIOUSLY:
By now, erstwhile lovers Chris Brown and Rihanna can hardly go to the bathroom without somehow being associated with the other, which explains the hubbub...