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.
Rick Astley / Gabrielle Oct 30, 2018 Gateshead, England, United Kingdom Uploaded by Tommo
LOVE BN1 Festival @ Brighton Pride 2018 Aug 5, 2018 Brighton, England, United Kingdom Uploaded by Neil Morris