Did Alya Know Marinette Is Ladybug?

But look on the bright side: Now that Alya knows that Ladybug's real name is Marinette, she almost certainly offers assistance to her whenever it's possible to do so. She also provided a great deal of assistance to her in the episode of Sentibubbler, in which she was given the opportunity to divulge ladybug's hidden identity but decided against doing so.