Jake Pavelka, who once wooed Gia Allemand on The Bachelor, had to pull his car over to the side of the road when he learned his former fling had died.
He said he could not stop crying when he heard the shocking news.
Allemand, who was taken off life support Wednesday after an apparent suicide attempt, was "an angel," he says, adding, "I am in complete shock."
Jake Pavelka is "devastated" at the loss of "one of the sweetest people I have ever known and a very dear friend. My heart goes out to her family."
"We have lost an angel today."