Klum, 40, who had dressed up as a 95-year-old woman this Halloween, finds the idea of plastic surgery far more frightening, reported People magazine.
"I've never done anything. I've been too scared, to be honest with you," she said.
The 'Project Runway' host said she has not had fillers or injections.
"Botox or bangs. I go for bangs. I'm scared that all of a sudden you're changing too much, your face starts changing. I would have a hard time looking in the mirror and seeing something that I'm not used to seeing.