John Lydon's wife Nora Forster passes away after Alzheimer's battle 

Nora Forster, 80, was the inspiration behind Lydon's Eurosong entry for Ireland, entitled 'Hawaii'

 Nora Forster and John Lydon in 2013. (Photo by Ben A. Pruchnie/Getty Images)

The wife of former Sex Pistols singer John Lydon (also known as Johnny Rotten) has passed away after a long battle with Alzheimer’s disease.

Nora Forster, 80, was the inspiration behind Lydon's Eurosong entry for Ireland 'Hawaii'.