The Backstreet Boys are one of the last remaining boy bands from the 90s who have continued performing consistently. A.J., Brian, Howie, Nick and Kevin have stuck together (minus a short hiatus by Kevin) through thick and thin, and you know what, we're thrilled about it. Every time that they launch a new tour or sing in Vegas all of our 90s-obsessed selves melt and we feel like we are 12 years old again, scream-singing in our rooms.The band has spent the last 25 years treating us all to the best of the best in pop music, and