. >>> body positivity plus sized model tess holliday knows what it's like to be body shamed.recovery after first spotlighting an eatg dirder that gio both supportive and s here is abc's cannon whitmore. >> gorgeous. thank you. >> reporter: model tess holliday. known for her bright red hair and body positivity. she has amassed over two million follow owners instagram, and major brand partnerships. but below the surface, tess says she has been suffering with an eating disorder. >> i wasn't taking care of myself in the way i needed. i wasn't looking after my mental health in the ways that i should have. i was always making sure everyone else's cup was full and i wasn't filling my own. so i think that's how i went so long without really being able to address, you know, myself an >> reporter: the 35-year-old mother of two says her decades long disordered eating caught up to her in the last year. >> i would go all day without eating. and i would chalk it up to i'm busy. i'm this. but the thing is, i had hunger pain all day, and i was sick all day. oh, i'm busy. i'm a mom, i'm this.

tess holliday revealing her battle with anorexic.know. good morning, kayna. >> reporter: michael, good morning. tess says it was hard for her to hear that diagnosis, confusing even, and this morning, she says she's proof that eating disorders don't discriminate. this morning, plus size supermodel tess holliday revealing her struggle with anorexia. the mother of two saying she was recently diagnosed by a psychologist but has ultimately been struggling with disordered eating most of her life. >> i always thought that i overate, but then people in my life would say, oh, yeah, i eat more than tess and it was almost like i wore it as a badge of honor. >> reporter: known for loving and celebrating her curves as a body positive activist, holliday has been receiving support for her honesty from many but being questioned by some online about how she could love her body and also have an eating disorder. >> i've had a lot of messages from folks that are anorexic that are livid and angry because they feel like i'm lying. i am plus size but advoc