No, no, no, no, no, you must be mistaken! I'm not Ladybug! I'm Marinette! I mean, Ladybug is saving Paris all the time, and she's got lucky charm, and she's really smart, and I'm not any of those things, I'm just Marinette, you got the wrong number! Er, so to speak!

[she utters this all without taking a single breath in between. NAILED IT]