[She's not so bothered by the clothes, really. It's not like she actually needs clothes like this to keep herself warm, but since she can't take the sweater off... Even if she was bothered by it, there wouldn't be much to do about it.
It's the nicknames, obviously, what ends up annoying her a little. Mostly because they are nicknames that Amethyst gave her, like PIEROGI, WONDER NERD and P.
And then another one shows up, MY PEARL. And when she notices it, Pearl can't help but smile and even blush a little.]