1. Katy Perry
Earnings in 2015: $135m
Pop star Katy Perry, famous for hits including I Kissed a Girl and Roar,
is crowned the most successful artist of 2015. She earned a whopping
$135m this year before tax, mainly from live performances as part of
her Prismatic world tour. She also pads her coffers through deals with
Coty, Claire's and Covergirl, and from a new Perry-themed mobile game
that launched this autumn.