Sir Elton John and Years & Years (Olly Alexander) are putting on a last-minute performance at tonight’s (May 11) BRIT Awards.The two singers are thought to be performing The Pet Shop Boys‘ ‘It’s A Sin’ after Alexander starred in the Channel 4 drama of the same name.The giveaway materialised in Instagram images shared by John, Alexander and the BRITs with the words “It’s”, “A” and “Sin” posted respectively and separately on their accounts.A post shared by Elton John (@eltonjohn)A post shared by