Harry Styles busted Marcello Hernandez for impersonating him on the set of 'SNL' in a hilarious new promo video.

Harry Styles is the SNL host and musical guest but he lost out on at least 15 minutes of rehearsal time thanks to Marcello Hernandez. Watch the promo.

Harry Styles Puts Marcello Hernández in His Place for New SNL Promo ...

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Harry Styles stopped by "Saturday Night Live" a week early, making a cameo during Ryan Gosling's monologue. Naturally, the ...

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Harry Styles unexpectedly dropped by this weekend's edition of "Saturday Night Live" as Ryan Gosling was performing his ...

Marcello Hernandez does his best Harry Styles impression in a new promo for Saturday Night Live.

Harry Styles catches Marcello Hernandez impersonating him in the 'SNL' promo for his upcoming appearance as host and performer.

The 'Sign of the Times' singer is set to host the March 14 episode but dropped by early.

Live from New York—here’s how you can earn a chance to watch ‘SNL.' ...

Harry Styles may be hosting next week’s episode of Saturday Night Live, but that didn’t stop him from making a surprise appearance during Ryan Gosling‘s hosting stint. The P ...