Sinéad O'Connor's daughter sang with her on Icelandic TV

Roisín Waters and her mam join John Grant on Icelandic chat show for a song called 'Greatest Motherf***er'.

We missed this at the time - not being in the habit of tuning into Icelanic TV on New Year's Eve, surprise surprise - but Sinéad O'Connor's daughter Roisín is a chip off the old block.

Roisín and her mam joined US singer-songwriter John Grant