There are at least three known artists with this name:
These are photos from concerts where NIKI played, so they may be of other bands that played the concert as well.
Head in the Clouds Los Angeles Music & Arts Festival 2021 Nov 6 - 7, 2021 Pasadena, California, United States Uploaded by Nathan Mansur
Atlanta Pride Oct 12, 2019 Atlanta, Georgia, United States Uploaded by Austinjrandall
Head in the Clouds Festival 2019 Aug 17, 2019 Los Angeles, California, United States Uploaded by Nathan Mansur