Demi Lovato. (Frazer Harrison/GETTY IMAGES FOR PCA)

The singer, whose transparency and openness during the entire 60-minute documentary was admirable, took the brave step of revealing that she has cut herself and thrown up since seeking treatment.

“I cannot tell you that I have not thrown up since treatment,” Lovato told MTV. “I cannot tell you that I have not cut myself since treatment. I’m not perfect. It’s a daily battle.”

The 19-year-old singer entered rehab for “emotional and physical issues,” including an eating disorder, in November 2010 and left in January 2011. Last year, Lovato revealed that she was diagnosed with bipolar disorder before entering treatment.

Lovato’s ongoing battle with food came into focus when the teen sat down for Thanksgiving dinner with her family for the first time since leaving treatment. But, with the help of her sponsor, Lovato said she was able to make it through the dinner without throwing up: “And that’s something that I’m really proud of.”

During an after-special with MTV’s Su-chin Pak, Lovato said “it was kind of a challenge to open up to cameras [about her issues] knowing it would be in front of the world.”

“I felt really vulnerable, and I still kind of do tonight,” she said, adding. “I wouldn’t change it. I know that some girl probably needed to hear this story tonight.”

After the special aired Tuesday, Lovato tweeted her gratitude for the positive fan response on Twitter to the special.

Wow... I’m reading all of your tweets and I’m beyond speechless at all the amazing and positive feedback... Wow. So grateful!!!! THANK YOU!!

— demetria lovato (@ddlovato) March 7, 2012

Watch two clips from “Stay Strong” below and the full episode here.

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