There are at least two artists sharing the name Estelle: 1) a British singer and rapper; 2) a French singer-songwriter.
1) Estelle Fanta Swaray (born 18 January 1980), simply known as Estelle, is a British singer-songwriter, rapper, producer and Grammy Award winner from West London, England. In league with other contemporary British sirens like Amy Winehouse, Adele and Duffy, Estelle is known for her eclectic mix of various musical genres including R&B, soul, reggae, grime, hip hop, pop and dance. Read more on Last.fm