Ke$ha Ke$ha

Ke$ha has left rehab after completing a two-month treatment for an eating disorder.

The singer returned to Twitter Thursday under the new handle @KeshaRose, writing: "Happy to be back! Feeling healthy & working on tons of new music. I can't thank my fans enough for all the love & support u have given me."

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"life is beautiful. I'm so blessed to have u all," the "Timber" singer added.

Ke$ha entered the facility in January, initially saying she was only going to stay 30 days. Last month, she decided to extend her treatment and postponed her spring tour to continue focusing on her health.

Ke$ha's mother, who also doubles as her writing partner, checked into rehab shortly after her daughter entered treatment, saying, "Ke$ha wants me to heal along with her."