DJ makes announcement on Capital FM
The DJ announced the sad news on his Capital FM Breakfast Show on Friday.
An emotional Johnny, 43, paid tribute to listeners and co-host Lisa Snowdon, 39, for supporting him through the difficult time.
‘I’m really grateful I work with such nice people,’ he said.
Johnny and Antonia got married in August 1999 and announced they were expecting a third child in March.
They are mum and dad to Tabitha, 9, and Rafferty, 6.