It's a night of glitz, glamour and high camp, in which pop, rock, disco and opera all come together in one big Eurovision cocktail.
This year's acts incorporate a giant gold microphone, a sauna - and of course pyrotechnics and fake ice aplenty.
Here are some of the best moments on stage in Basel.
Image: Kyle Alessandro performs Lighter for Norway. Pic: AP
Image: Yuval Raphael performs New Day Will Rise for Israel. Pic:AP
Image: JJ singing Wasted Love for Austria. Pic: Reuters
Image: Remember Monday perform What The Hell Just Happened for the UK. Pic: AP
Image: Tommy Cash, singing Espresso Macchiato for Estonia. Pic: Reuters
Image: VAEB performing Roa for Iceland. Pic: AP
Image: Ziferblat perform Bird Of Pray for Ukraine. Pic: AP
Image: Melody perform Esa Diva for Spain. Pic: AP
