Image: Eurovision 2016 logo.
She said her song is dedicated to her great-grandmother and is reportedly about Stalin, Crimea and claims of ethnic cleansing.
Image shows Jamala who represented Ukraine at the competition.
After accepting the Eurovision trophy, she said: “I know that you sing a song about peace and love, but actually, I really want peace and love to everyone.”
Thrusting the glass microphone in the air she yelled: “Thank you Europe – welcome to Ukraine.”
Australia were ahead for much of the scoring but came in second.
Image shows Dami Im representing Australia
They were knocked to second place after the public vote was taken into account.
Justin Timberlake provided half-time entertainment during the competition, opening his special guest performance with his hit Dance With Me before moving on to his new single Can’t Stop The Feeling.
The audience in Stockholm were on their feet and waving flags from all over Europe as the star performed one of his signature high-energy dance routines in front of a brass section and backing singers.
Image shows Justin Timberlake
After his performance, commentator Graham Norton said Justin will not be the last big American star to appear at the music competition “now they have realized this is the Super Bowl of Europe”.