Ke$ha checks in from treatment facility

Singer Ke$ha performs onstage during the 2013 American Music Awards at the Nokia Theatre L.A. LIVE on November 24, 2013, in Los Angeles.

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Shortly after Ke$ha's mom, Pebe Sebert, spoke up about her daughter's eating disorder battle, the singer decided to check in from rehab (via a friend) on Twitter.

Earlier this month, Ke$ha revealed she had entered a treatment center, explaining, "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."

Now she's thanking fans for their support:

The 26-year-old singer's mother said earlier this week that her daughter "almost died," explaining, "The doctors told me her blood pressure and sodium levels were so low, they'd never seen it that low except with someone who'd had a heart attack or stroke. They said it was a miracle she hadn't already dropped dead on stage."