Kristen Warren has seen concerts during 13 years.

Year   Concerts Seen  
2022 1 concert
2021 1 concert
2019 2 concerts
2018 1 concert
2017 2 concerts
2016 1 concert
2014 1 concert
2013 1 concert
2012 7 concerts
2011 10 concerts
2010 2 concerts
2009 1 concert
2007 1 concert