“He’s a pretty easygoing guy, but this has shaken him,” says a source.
“It’s become serious very quickly and who knows what this stalker will do next.”
The ‘stalker’ reportedly gate-crashed public events and bombarded him with unwanted messages.
New Idea can also reveal that the police are briefing the radio host on how to handle any face-to-face encounters.
“She does whatever she can to get close to him,” says the insider. “That’s included sneaking into industry events.”
Wippa recently announced he is expecting his third child with wife Lisa.
The couple, who married in 2013, also have Theodore, 4, and Jack, 3.
“The baby is due in April and they just want to focus on that,” says the insider. “It’s been such a massive stress. They are hoping she gives up.”
For more, see this week's New Idea - out now!