updated 08/17/2010 AT 1:00 PM ET
•originally published 08/17/2010 AT 1:20 PM ET
Heidi Montag says she’s devastated by the death of the surgeon who transformed her body.
“He was the most amazing person I have ever known. He was an angel and changed my life and the lives of everyone he met,” Montag, 23, Tweeted Tuesday about Dr. Frank Ryan, who performed her 10 procedures last year.
“He was the most brilliant talented surgeon who will ever exist,” she adds. “My thoughts and prayers go out to his mother, family, friends, and anyone who was ever blessed enough to meet him. He is in a better place.”