Frontwoman of all-girl punk group The Slits, Ari Up, has died aged 48.

The singes, real name Arianna Forster, passed away yesterday according to Sex Pistols star John Lydon, who is married to Forster’s mother.

He said on his website: 
"John and Nora have asked us to let everyone know that Nora's daughter Arianna (aka Ari-Up) died today (October 20) after a serious illness."

"She will be sadly missed. Everyone at JohnLydon.com and PiLofficial.com would like to pass on their heartfelt condolences to John, Nora and family. Rest in Peace."

The Slits’ debut album 'Cut' was released in 1979, and the band went on to release two more LPs before their split in 1982.

Forster worked on various solo projects before reforming The Slits in 2004.

Watch The Slits perform 'Kill Em With Love' below: