Years & Years are a pop band lead by Olly Alexander, who once told us that his "butt is still doing great things" and we totally agree.
Mikey Goldsworthy and Emre Türkmen formed Years & Years in 2010 and asked Olly Alexander to join after hearing him sing in the shower. Unfortunately, we never caught Olly singing in the shower but we've heard excellent things. They released their debut album Communion in 2015 which people on the internet have variously described as "iconic" and "lit". Again, we totally agree.
Fun fact: Years & Years are Hufflepuffs with the exception of Emre who is clearly a Ravenclaw.