Instagram/Doja Cat & Chappell Roan Celebrity Doja Cat reveals her BPD diagnosis, sharing her mental health journey and the struggle behind her public persona. Learn about her therapy and the condition. March 14, 2026 AceShowbiz - Doja Cat recently opened up about her mental health journey, revealing she has been diagnosed with borderline personality disorder (BPD). The "Need to Know" rapper shared these personal details in a TikTok video responding to fellow artist Chappell Roan's confrontational encounter with paparazzi during Paris Fashion Week.