Tyga Accused Of Stealing Concept For Last Kings Clothing Line

Tyga screwed a woman -- not named Kylie -- by lying to her, and jacking her concept for a clothing company to the tune of more than a MILLION bucks ... or so she claims in a new lawsuit.

According to the documents obtained by TMZ, Tyga and Chuon Guen Lee formed the clothing line Last Kings in January 2013 -- and she says Tyga promised to heavily promote the line and get it on shelves in the popular clothing chain, Tilly's.

Lee says none of those things happened, and then Tyga made off with more than half a mil in merch. The real kick in the gut -- she says he started another company with another partner, and cleverly named it ... Egypt Kings.

Needless to say, Lee is not amused by the wordplay. She's suing Tyga and his new partner for $1.6 mil, plus damages.

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