Instagram/Cardi B & Stefon Diggs Celebrity Cardi B and Stefon Diggs clash outside a Maryland coffee shop days after a loving Mother's Day reunion-watch the heated video. May 14, 2026 AceShowbiz - Cardi B and Stefon Diggs went from a warm Mother's Day reunion to a heated confrontation just days later, as video footage captured a tense argument outside a Maryland coffee shop. The incident took place in Burtonsville, Maryland, near Washington, D.C., on a Wednesday afternoon.