The 'Tik Tok' hitmaker intends to reclaim complete health, reported Contacmusic.
"In recent months, those closest to her had become increasingly worried about her drinking. It's been the stuff of legend in the past and she's never hidden the fact that she loves to drink.
"Now, though, part of her bid to get healthy is to get completely healthy -- and that will involve looking at her abuse of alcohol. Some of her advisers had raised this in the past," a source said.
"I'm a crusader for being yourself and loving yourself but I've found it hard to practice.
"I'll be unavailable for the next 30 days, seeking treatment for my eating disorder, to learn to love myself again. Exactly as I am," she had tweeted.