Matt Sayles / Invision / Invision/AP 1 / 13
Matt Sayles / Invision / Invision/AP 1 / 13

According to reports by TMZ, Kelly Osbourne's seizure may have been a sign she is suffering from epilepsy.

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Kelly has been hospitalized since suffering a seizure Thursday on the set of "Fashion Police" and sources connected with Kelly tell TMZ that the seizure was more serious than first suspected.

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Doctors are running tests, and Osbourne will remain in the hospital for at least a few more days. Kelly is currently on anti-seizure meds.

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