NBC Universal

One Direction hit up "Saturday Night Live" as the musical guest, but being good sports that they are the boys also stepped in for a sketch, dropping by an episode of "Girlfriends Talk Show" as the male members of a high school dance squad, adorable track suits and all, backing up host Amy Adams. And we learned something about the five guys, acting chops-wise. Harry Styles is apparently incapable of doing an American accent — or taking off that ridiculous hat he's grown so attached to — while the other four can at manage a thick Brooklyn dock worker impression. And who knew Niall Horan had so much low end in his voice?

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