Next up, a campaign for change. Sparked by four, cruel words. A woman told by her husband, that he cheated because she wasn't pretty enough. It launched a crusade to help women build their... See More
Next up, a campaign for change. Sparked by four, cruel words. A woman told by her husband, that he cheated because she wasn't pretty enough. It launched a crusade to help women build their self-esteem. She looks great. Bianna golodryga has her great story. Reporter: You would be prettier with longer hair. It's bullying. I felt not pretty enough. I didn't feel good in my skin. Reporter: They're the confessions of an online movement. All started by the four ugly words that ended jennifer's marriage and changed her life forever. You're not pretty enough. Words uttered by her ex-husband. Those words really pierce a woman's heart. Reporter: Now, with her empowering book, entitled, "you're not pretty enough," she tackles issues most women and even some men deal with on a daily basis. Not liking what they see on the other side of the mirror. The pretty thing is more often the entree into self-esteem issues because it's the easiest and laziest way we assess ourselves. Reporter: She is bringing multimedia sessions or what she calls salons, around the country. Where students discuss insecurities to self-acceptance. Victoria says before attending the sessions, she made poor and detrimental decisions. It took the time and energy to work on myself. We are more worried about our own appearance than other people are when they see us. Reporter: Thanks to the never-ending and very permanent forms of social media, like facebook, instagram and twitter, today's generation has way too many platforms to feel less than pretty. While I do think people are worried about these issues, they are things that can be overcome. You have to focus on your strengths. Reporter: Today, jennifer is remarried to a man who not only thinks she's pretty enough but is also playing an active role in her crusade. For "good morning america," bianna golodryga, abc news, new york.
This transcript has been automatically generated and may not be 100% accurate.