She was an awkward looking child. At 17 she got plastic surgery to shrink her nose and get rid of the dark rings under her eyes.

Christina was married five times. Her first marriage ended in divorce because her father didn't approve. Terry Roussel was the only man whom she had a child with, Athina Roussel. This relationship ended in tragedy more than a year after Christina became aware that Terry had been having an afair with a Swedish model. Onassis was unable to compete with this model's beauty, despite her wealth, and eventually Terry left her.

Christina lost her immediate family all withing a period of 24 months. Her father's health had started to deteriate after Alexander's death and her mother had committed suicide, something which Christina had attempted to do a couple of times herself.