[She holds her hands up, trying to be placating, while watching him with narrowed eyes. Whatever the House is doing to him at least he seems focused on her and unlikely to hurt any of the others]
I'm right here Peeta, this is Katniss, and you're pointing a spear at me right now so maybe you should go wake up Finnick before this gets-- [She cuts off suddenly and frowns as she looks at the back of her hand. It's...strange. Bigger than she remembers it being. She shakes her head slowly and can't stop herself from gasping when she realizes in quick succession both that her hair is loose, shorter than it should be, and blonde.]
What the-- [She starts, jerking backwards, then freezes again when she remembers that Peeta still thinks she's an intruder and is pointing a weapon at her, making alarming him a bad idea.] Peeta, it's me, it's Katniss. I must have...I don't know, the House must have done something. I'll prove it just...ask me something, okay? Whatever you want.