Megan Thee Stallion has publicly ended her relationship with Dallas Mavericks player Klay Thompson , accusing him of cheating in an Instagram Story. On Saturday (April 25), the 3-time Grammy winner posted a message about the NBA player (who she didn’t explicitly name, but whose identity was clear) cheating, despite the fact that she had gotten close with his family members. “Holding you down through all your HORRIBLE mood swings and treatment towards me during your basketball season now you don’t know if you can be “monogamous?” Megan wrote. “Bitch I need a REAL break after this one. Bye yall,” she concluded.” The rapper told Complex via a rep : “ I’ve made the decision to end my relationship with Klay. Trust, fidelity and respect are non-negotiable for me in a relationship, and when those values are compromised, there’s no real path forward.…