That would be a broad grin you're getting back. Despite the cowl/tabard thing flopping in his - her - his face.

"Okay, this thing is annoying me." GO GO GADGET TRANSFORM - or just, you know, glowing Triforce on the hand and a blinding flash of light.

Now there's a Zelda there, sans cowl/tabard thing, and... falling flat on her arse. "Ow. Okay, apparently princesses less limber than Sheikah. Good to know."