Kelly Osbourne Thanks Fans For Support Following Seizure & Hospitalization

Access Hollywood
Kelly Osbourne attends the W LOVE Hangover Ball at W Union Square in New York City on November 28, 2012 -- Getty Images

Kelly Osbourne is thanking fans for their well wishes after she suffered a seizure on the set of E!'s "Fashion Police."

"Thank U all 4 UR beautiful well wishes yes I did have a seizure they are just trying to figure out why?" Kelly Tweeted late Thursday evening, linking to THIS photo of her arm, hooked up to an IV.

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As previously reported on , Kelly, 28, was taping her show when she all of a sudden didn't feel well.

Filming stopped and she was given some water. As the cast and crew looked on, she began to experience a seizure, a source close to the star, told Access.

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Melissa Rivers - who was guest co-hosting -- was seated next to Kelly and was able to grab her and help bring her to the ground.

A member of the live studio audience, who was reportedly a medical professional, rushed to the stage to help Kelly.

Following the seizure, Kelly was taken by ambulance to a Los Angeles-area hospital. Blankets shielded the star as she was taken to the ambulance via stretcher.

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On Thursday afternoon, a rep for Kelly told Access Hollywood her condition was "stable."

"Kelly Osbourne fainted on the set of E!'s Fashion Police today. She was taken to a local hospital for further testing and is awake, alert and in stable condition. She will be staying overnight for observation as a precautionary measure. There are no further details at this time," a rep for the star told Access in the statement on Thursday.

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