US actress Sharon Stone wound up in a hospital Saturday after fainting at a fashion show in Milan, Italy, US Weekly reported. \"She had fainted and was out cold,\" a source told the magazine. \"It was scary.\" The incident at the Fendi fashion show occurred while Stone, 54, was in town for a benefit for the AIDS research foundation amfAR. \"Sharon experienced migraine related symptoms, and we all felt it best that she got checked out before the amfAR event,\" a representative for the organization told the magazine. \"She was examined and given a clean bill of health. And as she said, wild horses couldn\'t keep her away.\" The magazine said Stone was at the fashion show with her 27-year-old Argentine boyfriend Martin Mica.