Watch Katy Perry perform Roar with Ellie Goulding, Tegan & Sara, Bonnie McKee and more

Katy Perry and some of her favorite female acts performed at L.A.’s Hollywood Bowl  for the We Can Survive: Music For Life charity concert helping the fight against breast cancer. Perry closed out her headlining set by spreading the love with a massive rendition of "Roar" featuring Sara Bareilles, Ellie Goulding, Tegan And Sara, Kacey Musgraves and Bonnie McKee

Η Katy Perry ερμήνευσε μαζί με ένα τσούρμο pop stars το hit της "Roar" για την οργάνωση  We Can Survive: Music For Life κατά του καρκίνου του μαστού. Συγκεκριμένα με τις Sara Bareilles, Ellie Goulding, Tegan And Sara, Kacey Musgraves και Bonnie McKee