While the genre faces serious challenges, Jimmy Fallon and Co. think they've cracked the code to keep the NBC staple going for years to come.

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.

Dua Lipa went viral for her reaction to a fan applying a filter to their video. The British pop star concluded her Radical ...