There are at least two artists called Lulu:
These are photos from concerts where Lulu played, so they may be of other bands that played the concert as well.
Take That / Rick Astley / Lulu / Gerry Marsden Jun 6, 2019 Liverpool, England, United Kingdom Uploaded by Kizzy Dooley
Take That / Rick Astley / Lulu May 26, 2019 Southampton, England, United Kingdom Uploaded by Katie Johnson