Nancy, who dated Sven for 10 years, spoke about his devastating diagnosis on Loose Women on Thursday and revealed plans to see him for his birthday next month.
The glamorous Italian lawyer - who left her husband Giancarlo Massa for the coach - was a constant by his side and pictured with him at several tournaments.
The TV presenter, 56, took to Instagram on Thursday evening to share a brief post after the former England manager, 75, publicly shared the devastating news.
Former England and Manchester City manager Sven-Goran Eriksson shared fears that he has at best only a year to live after being diagnosed with terminal cancer