[Beastboy and his partner Rita the Psychmon happened to be passing through at the time of the argument and decided now that they are cooling off would be a good time to speak up. The green teen approaches waving a gloved hand to get their attention while his partner hangs a step behind shyly]

This is just a guess but I'm thinking you're uh...new.

[And he'll just try very hard not to look at her skimpy outfit. His cheeks are red though]