Cardi B and Stefon Diggs looked cutely coupled up again in several smooching snaps at his Mother's Day event, sparking more block-spinning speculation. Source: Elsa / Getty Social media is buzzing about Bardi and the cozy clips of her with Stefon Diggs going viral. With more athletic offspring than fans can count, the ubiquitous baby daddy could easily host an event with just his copious coparents. Stefon's Diggs Deep Foundation celebrated all mamas with "A Moment for Mom" on Saturday, May 9.