Amid the spotlight following one of the most talked-about couples of the moment, Cardi B set some ground rules in her relationship with NFL star wide receiver Stefon Diggs. According to reports close to the couple, as reported by Page Six, the rapper has been categorical in warning Diggs about the consequences of any infidelity or family surprises outside of their engagement. The warning comes after a particularly intense 2025 in the life of the 32-year-old. Diggs welcomed four children during that period: a daughter, Charliee Harper, with Aileen Lopera in April; a son with K'yanna Barber; another daughter with Cayy Benji; and, finally, a son with Cardi B, born in November. The confirmation of paternity in some of these cases, such as Lopera's, was legally resolved, but the situation led Cardi B to draw a definitive line. “She made it very clear to him that if he cheated on her or had a child behind her back, it was over,” a source told The Sun. The 'Bodak Yellow' artist's stance is firm: any similar situation after their relationship became official and they started a family together would mean the end of the relationship. She is committed to her relationship. However, despite the firmness of her conditions, Cardi B is described as deeply loyal and committed to Diggs. Sources say that the rapper, who is also a mother of three with her ex-husband Offset, was aware of Diggs's "womanizer" reputation, but decided to take a chance on him. "Her love for him is above all that," explained one of the sources, adding that Cardi B trusts that he has been faithful since they formalized their relationship. One aspect that the singer especially values ??is Diggs's paternal commitment. According to reports, she “loves” that the athlete “is not an irresponsible father” and considers him a “present, loving, and understanding” parent. It is even noted that Cardi B sees Diggs' other children—including Nova,of 2016—as “an extension of the family” and fosters a close-knit and stable family environment for all the children.

The relationship, which went public on Instagram in June 2015 following Cardi B's divorce from Offset, is moving toward new challenges. The couple confirmed her pregnancy in September of that year and are now facing the dynamics of a large, extended family.

According to sources, Cardi B is not only supportive of Diggs but also offers him advice on how to handle co-parenting and be the best father he can be.

While representatives for both have not publicly commented on these reports, the emerging narrative is one of a couple navigating a complex situation.