First Rihanna and Karrueche Tran had Chris Brown in common. Now the two ladies, who often feud on social media (usually instigated by the Bajan superstar) shared a pretty racially insensitive Halloween costume, too.

RiRi and Karrueche were both "cholas," a racial stereotype usually used for low-income Mexican Americans. In Rihanna's version, she was a chola zombie, along with a group of her pals. Because if you add in the undead, racism is totally cool, right?

Both starlets have dealt with racism against themselves -- Rihanna from a magazine editor and Karrueche from, well, Rihanna. Ouch! As a result, both gals should know better than to don costumes that are so insensitive, even if they just meant it as a joke -- especially when you consider the hellfire Julianne Hough came under for doing blackface in an 'Orange Is the New Black' costume.

Here's hoping next year the gals try something different. Karrueche got a head start when she sported an Aphrodite costume the next day.

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