Heidi Montag says she hit 'rock bottom' when she elected to get life-threatening plastic surgery procedures Colleen ... and was released from jail in October 2013 after serving nearly two years ...

Before the fillers ... more confident in their skin. Heidi Montag’s transformation is perhaps one of the most extreme and controversial cases of plastic surgery in Hollywood.

Los Angeles, California (CNN)-- The Beverly Hills plastic surgeon who remade Heidi Montag died ... Ryan defended the 10 cosmetic surgery procedures he performed on Montag as a "very well-thought ...