Antoinette "Toni" Halliday (born 5 July 1964) is an English musician best known as the lead vocalist, lyricist, and occasional guitarist of the alternative rock band Curve, along with Dean Garcia.She was also a member of the bands Photofitz, The Uncles, State of Play and Scylla. Halliday released solo work as Toni Halliday and Chatelaine.