Harry Styles Performs 'Lights Up' & 'Watermelon Sugar' on 'SNL' - Watch!

Harry Styles is lighting up the stage!

The 25-year-old One Direction member-turned-solo superstar performed as musical guest during Saturday night’s (November 17) Saturday Night Live in New York City.

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Harry performed both “Lights Up” and “Watermelon Sugar,” featured on his upcoming studio album, Fine Line, due out on December 13.

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Watch Harry Styles perform on Saturday Night Live inside…