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Toni Braxton

John Shearer/WireImage.com

It hasn't been the best of weeks for Toni Braxton.

The soulful singer confirmed rumors she was hospitalized via her Twitter and Facebook page, but reassured fans that she's perfectly "fine."

So what happened?

"Hey guys! I'm sure you've heard rumors about me being in the hospital, they are in fact, true. I've been here since Monday but I am fine!" she tweeted earlier today.

"Just a lupus flare up, but I promise you all I am ok! Love you all! Thanks so much for all of your support! Xoxoxoxoxo :)"

Braxton announced to the public at a lupus awareness and research luncheon in November 2010 that she was battling the autoimmune disease, saying, "This is what lupus looks like."

The Braxton Family Values star also gained recognition and praise from Lady Gaga, who tested borderline positive for lupus. The "Marry the Night" singer wrote a message to Braxton, saying, "Toni, your strength is admirable. As a woman whose family has been affected by lupus, I understand your struggle and have you in my thoughts. —Gaga."