[Her eyebrows go up slightly at the lack of the hoodie (and the clear view of his face, now that there's no sunglasses obstructing the way), but any remark she might've made on it quickly goes by the wayside in favor of...well, that.]

...Thank you.

[And it's pretty obvious, even through her usual expert control of her expression, that even now direct compliments will sometimes fluster her a little, though she doesn't look altogether upset at having received one.]

I'm not sure if it'd be more accurate to say you've dressed up or dressed down for the occasion. You don't usually go without your hoodie, do you?