Myleene Klass took off her engagement ring and fiance Simon has vanished from her socials after 'infidelity' scare. Now worried friends tell KATIE HIND: 'It's like he doesn't exist...'

Tickling the ivories with a lively rendition of Chappell Roan 's hit Pink Pony Club at London's St Pancras station last week, Myleene Klass entertained the throng of commuters.