Sparks subsequently posted a photo of herself holding two teddy bears while in the hospital.
"Smiling, resting & takin it easy!" she wrote.
Due to her hospitalization, Sparks was forced to cancel a trip to Australia where she was scheduled to sing a duet with Australian Idol winner Guy Sebastian.
Sparks was previously forced to cancel part of an early 2008 tour after suffering an "acute vocal chord hemorrhage."
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