Fall Out Boy Didn't Have A Back-Up Plan If Their Reunion Didn't Work Out

With so many bands reuniting from break-ups or hiatuses in recent years, it's easy to take for granted just how perfectly Fall Out Boy has engineered their own comeback–but what would have happened if it didn't work out? Well, according to the band, they didn't have any "backup plan" in their back pockets.

Watch a web exclusive interview with the Chicago quartet above, and check out a sneak peek of their Top 20 Countdown guest appearance below–they'll be on the show tonight at 9/8c!