There are multiple artists using the name Gabrielle, Notably one from the UK and another from Norway -
These are photos from concerts where Gabrielle played, so they may be of other bands that played the concert as well.
Tysnesfest 2012 Jul 11 - 15, 2012 Tysnes, Norway Uploaded by Hege Landsvik
Al Green / Gabrielle Nov 3, 2006 Manchester, England, United Kingdom Uploaded by Tommo
Last Chance Summer Dance Sep 1, 1996 Portland, Oregon, United States Uploaded by Easystreet80
Michael Jackson / Kris Kross / Gabrielle / Jennifer Batten Jul 31, 1992 London, England, United Kingdom Uploaded by Sable D