According to TMZ, Kelly was sitting in a chair next to Melissa Rivers, who was filling in for Giuliana Rancic, when she turned to Melissa and said “I don’t feel good.”
The online entertainment site said Kelly then fell out of her seat in front of a full studio audience and began shaking on the floor.
Someone in the audience, who is in the medical profession, rushed to assist Kelly while staff called 911.
As of press time Kelly was still hospitalized.
The cause of the seizure was not immediately known.