Some information about Cardi B's split from Stefon Diggs has finally been revealed. Source: Taylor Hill/Logan Bowles According to a new report, Cardi B called off her relationship with the NFL plater just "a few days" before his New England Patriots lost to the Seattle Seahawks in the Super Bowl. "They are always so up and down," an insider told Us Weekly of their breakup. "This isn't the first time they have broken up." Rumors of a split first started swirling after the rapper's behavior surrounding the football star suddenly shifted.