Backstreet Boys tweeted:
Heard @OneDirection did an impromtu performance of "I Want It That Way" in Sweden last night. Well done bros!
Source: @backstreetboys
Kevin also tweeted too on Perez Hilton's news
http://perezhilton.com/2013-05-09-one-direction-i-want-it-that-way-backstreet-boys-video
Source: @kevinrichardson
And Howie:
Heard @onedirection sang one of our Backstreet Boy songs "I Want It That Way" at a recent concert in Sweden. Thanks guys and much respect!!!
Source: @howied
