The abject shock in that question took Aradia aback. She wasn't doing anything particularly unusual, just enjoying a cup of tea and staying out of the rain. And here Vriska was acting like she'd seen a ghost!

... Wait.

Aradia's smile shrank away to nothing. Timeline shenanigans again? But how far off was she? All eight eyes and no metal arm, that narrowed it down, but...

"You were expecting someone else?" she asked, in a careful tone. The question itself was kind of dumb, true, but how Vriska responded would speak volumes. (Not that Vriska herself was ever reluctant to speak volumes.)