has reportedly dumped . Rumor has it, the “” star has finally grown up and gotten sick of the “Let Me Love You” hitmaker’s antics.
According to , Kourtney was “crushed” after Justin hooked up with girls while on the road in Rio and Australia. A source claims that the “Cold Water” crooner promised ‘s sister that he wouldn’t date other girls while he was on tour, but clearly, he hadn’t kept that promise.
“Justin’s totally broken his word, which was to [make] things exclusive when he got back and not hook up with others during this time apart. Kourt’s extremely hurt,” the source reveals, “They’ve been texting back and forth, and Justin’s basically told her he wants to keep things casual, so she’s pulled the plug. The way she sees it, the last thing she wants in her life is another version of Scott.”