Heidi India Partakis is an English singer and songwriter, best known as a former member of the girl group Sugababes. In 2001, Range replaced original member Siobhán Donaghy in the Sugababes, after which the group enjoyed higher commercial success and accumulated six UK number-one singles as well as two number-one studio albums over the course of a decade, before the line-up at the time disbanded in 2011.