There are at least two artists sharing the name Estelle: 1) a British singer and rapper; 2) a French singer-songwriter.
These are photos from concerts where Estelle played, so they may be of other bands that played the concert as well.
The Brit Awards 2009 Feb 18, 2009 London, England, United Kingdom Uploaded by K8 Lnd
Estelle / John Legend Jan 23, 2009 Austin, Texas, United States Uploaded by Elliott Waehner