Cardi B put on a cheeky display as Marge Simpson for Halloween.
aleXsandro Palombo artist behind the Marge Simpson concept, said Cardi used his art without authorization.
Cardi credited Thierry Mugler, the designer of the dress worn in the Marge Simpson artwork, but not the artist.
Palombo said he contacted Cardi about the lack of authorization.
His lawyer, Claudio Volpi, said there would be legal action if his request to be credited is not met.
Palombo created the "Marge Simpson Style Icon" series in 2013
The outfits in the art series, date back a century.
Cardi was recently sued by Kevin Michael Brophy for using his tattoo.