Perfect your key change, ready your scorecards and prepare for the spangliest, campest night in pop – Eurovision is back and, as ever, you're on the jury.
The Eurovision Song Contest is now in its 63rd year, and hundreds of contestants have battled for the chance to say their song is the best in Europe, and beyond!
How much do you remember about the Eurovisions of yore? We look at the highs, lows and don't-knows in our quick quiz. Will you lift the glass microphone trophy up high? Or will you skulk away with nul points?
Relive every UK Eurovision entrant ever in our gallery: