It swept ahead of Russia whose entry had been widely tipped to win.
And it’s likely to be one of the most co ntroversial winners in the history of the competition.
Its references to the deportation of ethnic Tartars from Crimea by Josef Stalin during World War Two came very close to breaching Eurovision anti-politics rules.
It’s led many to draw parallels with Russia’s annexation of Crimea in 2014.
Jamala, herself a Tartar, performed the winning song.
“You know, I was sure that if you sing, if you talk about truth, it really can touch people.”
Ukraine fans at the event were delighted.
FAN ANDRII GAVRYLIUK, FROM LVIV IN UKRAINE,
“It was really fantastic, it was amazing. I’m really anxious now and really happy.”
Russia finished third, behind Australia which had also been tipped as a possible winner.