New parents Enrique Iglesias and Anna Kournikova are going all Donald Trump to make their Miami mansion a fortress of privacy for their twins.
We broke the story ... Anna gave birth to the twins, a boy and a girl, and while she was secretly pregnant, the couple started building a huge 16-foot-tall wall around their Miami home. Construction started in late summer, deep into Anna's 2nd trimester.
According to city building permits, they're also adding a 2-story single family residence to their property -- along with baby-proofing measures, like a "child barrier for pools.