Transcript for 'Scandal' Star Speaks Out on Eating Disorder
actress Portia de Rossi speaking out about her struggle with an eating disorder. The "Scandal" star revealing the trouble started when she was 1 years old. Linsey Davis has more. Reporter: She's the funny lady on "Alested development." Calculating chairwoman on "Scandal." Think of what I have already done for you. Reporter: You may know her as Ellen's other half. This morning, actress Portia de Rossi speaking candidly about a private and personal matter. My eating disorder had gotten to a point where I felt physically exhausted. Reporter: Her past battle with bulimia, starting at age 12 as a model. I erased feelings with food. Erased food by vomiting. Makes me emotional thinking about the day. Reporter: Opening up about her sexuality. I mad nobody to look up to who was gay. I felt isolated and confused. Reporter: De Rossi is speaking out as part of the web series it got better. Sharing lgbt celebrity personal stories of struggle and success. The origin was the same for both. I didn't want to think about being gay. Having the eating disorder aloud me to not thing about who I was. Reporter: Her struggles staying with her into adulthood. Her weight reaching as low as 82 pounds on the show "Ally mcbi mcbeal." An eating disorder can be triggered by something so completely unrelated. Reporter: Mow she's hoping to set an example. No matter what it is, you just have to go with whatever makes you smile. I'm Portia de Rossi, and this is how it got better. Reporter: For "Good morning America," linsey Davis, ABC news, New York. Such a powerful campaign. How it got better. So generous of her to be so open and revealing.
This transcript has been automatically generated and may not be 100% accurate.