Colleen Garrison has seen 17 bands.

Band Concerts Seen
  One Direction 2 concerts
  5 Seconds of Summer 1 concert
  Bebe Rexha 1 concert
  Big Time Rush 1 concert
  Billy Joel 1 concert
  Camila Cabello 1 concert
  Charli XCX 1 concert
  Chris Lane 1 concert
  Cody Simpson 1 concert
  Florida Georgia Line 1 concert
  Icona Pop 1 concert
  Jonas Brothers 1 concert
  Jordan McGraw 1 concert
  Maroon 5 1 concert
  Niall Horan 1 concert
  Ryan Hurd 1 concert
  Taylor Swift 1 concert