Alya and Marinette as a Bee and (duh) Ladybug.

Chat Noir as a cat.

Chloe as a Ladybug. (Perhaps snooping too close while wearing her cosplay outfit when Chat and Ladybug went back and got sucked in too.)

Just cuz.

Ladybug and Tikki

Chat Noir and Plagg

"I've got you!"