Katie Cassidy has seen 240 bands.

Band Concerts Seen
  All Time Low 142 concerts
  State Champs 43 concerts
  The Maine 37 concerts
  Mayday Parade 35 concerts
  The Wonder Years 25 concerts
  The Summer Set 24 concerts
  You Me At Six 23 concerts
  Fall Out Boy 19 concerts
  Grayscale 19 concerts
  A Day To Remember 16 concerts
  Neck Deep 16 concerts
  The 1975 16 concerts
  Pierce the Veil 15 concerts
  Tonight Alive 14 concerts
  Yellowcard 14 concerts
  Set It Off 13 concerts
  Sleeping With Sirens 13 concerts
  We The Kings 13 concerts
  Issues 12 concerts
  We Are the In Crowd 12 concerts
  5 Seconds of Summer 10 concerts
  Jonas Brothers 10 concerts
  The Story So Far 10 concerts
  Andrew McMahon in the Wilderness 9 concerts
  Waterparks 9 concerts