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Originally appeared on E! Online

Charli XCX ’s "Saturday Night Live" appearance was hotter than a fever.

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The “Party 4 U” singer shocked audiences when she stepped out for musical guest Role Model’s set during the Oct. 11 episode, hosted by Amy Poehler.

As Role Model (real name Tucker Pillsbury) performed his hit song “Sally, When the Wine Runs Out,” the singer asked the crowd, “Where’s my Sally tonight,” only for Charli XCX to walk through a set of stage doors. The surprise appearance earned screams from the crowd, with Charli dancing during the song’s bridge.

For the occasion, the "brat" artist donned a black leather mini skirt, which she paired with tights, kn

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