SINGER Amy Winehouse was taken to hospital in St Lucia on Saturday night after fainting, her spokesman said. The Grammy winner was kept in for a night for observation and was found to be dehydrated. Her publicist in the UK Chris Goodman said: 'She fainted at home and they took her in for observation, mainly to do with her medication to check everything was OK. 'They told her that she was dehydrated and needed to drink more water. DM Winehouse had been 'running around with a group of children before she fainted, he said. She has also been photographed horse riding on the Caribbean island. The Back to Black singer has attracted enormous amounts of media attention for her battle against drug addiction and her turbulent relationship with husband Blake Fielder-Civil.