The proceeds from Perry 's single " Part of Me " were donated to the charity MusiCares , which helps musicians in times of need . During her California Dreams Tour , she raised over $ 175,000 for the Tickets-For-Charity fundraiser . The money was divided between three charities : the Children 's Health Fund ( CHF ) , Generosity Water , and The Humane Society of the United States . On her 27th birthday , Perry set up a donations page for the Society for the Prevention of Cruelty to Animals Auckland , and set up a similar page benefiting the David Lynch Foundation for her 28th birthday . On March 29 , 2014 , she helped raise $ 2.4 million for the Museum of Contemporary Art in Los Angeles along with other celebrities such as Ryan Seacrest , Pharrell Williams , Tim Allen , Lisa Edelstein , and Riley Keough . In March 2018 , Perry announced '' Witness : Coming Home '' , a benefit concert that was held in her hometown of Santa Barbara , California on May 19 , 2018 . The concert benefited those recovering from the aftermath of the 2017 California wildfires and 2018 Southern California mudflows . Perry partnered with the Santa Barbara Foundation , the 93108 Fund and The 805 UndocuFund , organizations which help in assisting members of the community in the Santa Barbara area through grants and various philanthropic efforts
2017 California wildfires
2017 California wildfires
Katy Perry