Backstreet Boys were one of the biggest boy groups in the 1990s and beyond. Here are some of their most memorable pics.
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/bsb_gallery2.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/bsb_gallery1-1.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/bsb-11.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/march-1997-in-montreal.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/sept-1997-at-busch-gardens.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/la-june-1997-all-i-have-to-give.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/canada-1998.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/feb-1999-in-texas-w-destinys-child-lionel-richie.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/july-1999-german-tv-show-wetten-dass.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/july-1999-millenium-european-tour-in-barcelona.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/may-1999-filming-sears-ad-in-ny.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/feb-1999-grammys.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/london-april-1999-nick-eating-kevins-arm-in-a-tub.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/london-june-1997.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/nov-2000-vegas.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/july-2000-burger-king-ad-in-toronto.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/march-2001-mexico-city.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/september-2001.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/october-2001-in-ny-on-sesame-street.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/sept-2004-at-great-wall-of-china.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/october-2015-in-ny.jpg?w=680)
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Backstreet Boys Over The Past 20 Years — PICS
![Backstreet Boys Over The Past 20 Years — PICS](http://hollywoodlife.com/wp-content/uploads/2017/08/bsb-2017.jpg?w=680)