Cardi B just dropped her latest release -- her first child with NFL star Stefon Diggs is here ... TMZ has learned.
Sources connected to the Diamond-selling rapper tell us Cardi gave birth to the baby boy last week.
We're told Stefon, the New England Patriots star receiver, was with Cardi when their baby boy arrived.
Cardi announced the birth Thursday in a social media post.
Cardi says .