Sincere Friend of Millstreet Niamh Kavanagh Wins Celebrity Masterchef Ireland 2017 Heartfelt congratulations to sincere Friend of Millstreet since 1993 – Eurovision Winner Niamh Kavanagh who on TV3 tonight won Celebrity Masterchef Ireland 2017. Click on the images here from TV3 to enlarge. (S.R.) Such is the kindness of Niamh that within minutes tonight she replied to our text expressing her sincere appreciation to the Millstreet people for such uplifting greetings. Niamh’s superb win may be viewed on the TV3 Player.