Speaking to ITV's Loose Women, the singer and former X Factor judge said she sustained nerve damage after a horse riding accident. "I do suffer from Bell's palsy... it can cause facial paralysis ...

Dr. Jason Nellis, an assistant professor of otolaryngology at Johns Hopkins Medicine and an expert in Bell’s palsy, ...

Bell's palsy is facial nerve disorder that causes weakness of the muscles on one side of the face. Its cause is unknown but most people make a full recovery within 8 to 12 weeks.

On Boxing Day she awoke with Bell's palsy, a nerve condition that causes paralysis to part of the face. It affects up to 24,000 people in the UK a year, but charity Facial Palsy UK said a lack of ...