There are multiple bands called La Roux/Laroux:
These are photos from concerts where La Roux played, so they may be of other bands that played the concert as well.
The Governors Ball Music Festival 2014 Jun 6 - 8, 2014 New York, New York, United States Uploaded by Andrew Harman
Glastonbury Festival 2010 Jun 23 - 27, 2010 Shepton Mallet, England, United Kingdom Uploaded by Thekilburnoracle
Glastonbury Festival 2010 Jun 23 - 27, 2010 Shepton Mallet, England, United Kingdom Uploaded by Peter Nieuwkoop
Glastonbury Festival 2010 Jun 23 - 27, 2010 Shepton Mallet, England, United Kingdom Uploaded by Rob Lee
Parklife Festival 2009 Oct 3, 2009 Melbourne, Victoria, Australia Uploaded by Leon Sjogren
Bestival 2009 Sep 11 - 13, 2009 Isle Of Wight, England, United Kingdom Uploaded by Maf Daniel