FRANKLIN, TN - AUGUST 01: Brian Littrell, and Kevin Richardson of Backstreet Boys, Brian Kelley and Tyler Hubbard of Florida Georgia Line, Nick Carter, Howie Dorough and AJ McLean of Backstreet Boys perform onstage during CMT Crossroads: Backstreet Boys and Florida Georgia Line on August 1, 2017 in Franklin, Tennessee. (Photo by Rick Diamond/Getty Images for CMT)
FRANKLIN, TN - AUGUST 01: Brian Littrell, and Kevin Richardson of Backstreet Boys, Brian Kelley and Tyler Hubbard of Florida Georgia Line, Nick Carter, Howie Dorough and AJ McLean of Backstreet Boys perform onstage during CMT Crossroads: Backstreet Boys and Florida Georgia Line on August 1, 2017 in Franklin, Tennessee. (Photo by Rick Diamond/Getty Images for CMT)
FRANKLIN, TN - AUGUST 01: Brian Kelley and Brian Littrell perform onstage during CMT Crossroads: Backstreet Boys and Florida Georgia Line on August 1, 2017 in Franklin, Tennessee. (Photo by Rick Diamond/Getty Images for CMT)