Louis Tomlinson appeared on The Tonight Show to perform his recent single, “Imposter,” and to chat with host Jimmy Fallon about his new album, How Did I Get Here?, which is out today. The former One Direction member took the stage alongside his band to showcase the pop song, released earlier this week. “Imposter was written in the jungle in Costa Rica,” the singer explained of the song in a statement. Now Green Day Have Entered the Chat Watch Louis Tomlinson Showcase Pulsating Single ‘Imposter’ on ‘Fallon’How Did I Get Here? “I sum up it as ‘The record I always deserved to make,” Tomlinson said in a statement.