LOS ANGELES, April 21 -- 90's boyband Backstreet Boys took to social media to announce a huge milestone: 26 years in the business.

The band put up an old photo of them performing in their teens, in baggy shirts and equally baggy blue jeans. "On this day in 1993 we became the Backstreet Boys. From performing in high school gyms to heading out on a world tour this summer (plus a #1 album!!), never could the 5 of us have imagined what the past 26 years would hold. Thank you all! Here's to many more years!," so stated their social media message.

On this day in 1993 we became the Backstreet Boys. From performing in high school gyms to heading out on a world tour this summer (plus a #1 album!!), never could the 5 of us have imagined what the ...