His cameo will take place after rehearsals for his Eurovision performance
The synth-pop duo also talked about Alexander's hit TV show of the same name, and revealed that Years & Years initially rejected their song 'Dreamland'
"We’ve decided that by taking part we can use our platform to come together and call for peace”
“We feel that it is our duty to create and uphold this space, with a strong hope that it will inspire greater compassion and empathy”
The singer will represent the UK at the 2024 song contest, taking place in Malmö, Sweden
He previously described the song as "something you can dance to"
"I am eager to shine a light on those artists who have fought countless prejudices, to hear their stories and to learn the finer details about how the songs were made"
Fans can expect "a unique 360-degree experience" at next year's contest
The Years & Years singer will represent the UK at Eurovision 2024
"I’m determined to give it everything I’ve got"