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(WENN) - Actress/singer Jana Kramer was hospitalized on Saturday after developing a high fever.

The former One Tree Hill star, who has since carved out a career as a country singer, was due to perform in West Palm Beach, Florida, but she began feeling sick before taking to the stage at a country Christmas concert.

In a post on her Twitter page, she wrote:

Kramer cut her set short and was taken to a nearby medical facility, but she continued to keep fans updated on her condition.

She tweeted:

Kramer was discharged from the hospital on Sunday, her 29th birthday, but pulled out of playing a show in Tampa, Florida that evening in order to recover.

Returning to Twitter, she explained to fans:

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