Simpson's rep told the Associated Press that the singer was admitted to Cedars-Sinai Medical Center on Friday for the infection and was released on Monday following treatment.
Simpson's representative Lauren Auslander told The Associated Press that the 27-year-old singer-actress is feeling "much better now."
Hospitalization wasn't enough to get her boyfriend, Dallas Cowboys quarterback Tony Romo, to break a prior commitment to be at her bedside, according to a report by In Touch.
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