Nikki Gerritsen has seen 10 bands.

Band Concerts Seen
  Harry Styles 3 concerts
  Alec Benjamin 2 concerts
  Winona Oak 2 concerts
  5 Seconds of Summer 1 concert
  AJR 1 concert
  Enrique Iglesias 1 concert
  Jonas Brothers 1 concert
  Louis Tomlinson 1 concert
  Mitski 1 concert
  Wet Leg 1 concert