Lots of stars out there really take pride in their appearance ... can you guess who this suited-up star is? We ran into this singer all the way back in 2015, and we tried to get a word in with him ... but he was already busy hanging out with his adoring fans! Still, he managed to look flawlessly fly the whole time -- despite not necessarily having a tie to go with his suit ... which seems like something that'd be good to write a song about! If you thought Hilary Duff 's "Small Rooms, Big Nerves"