There is literally nothing hotter and cuter than when the realisation/shock/disgust/resignation of what is happening results in a messy nose scrunch.

Here's a few of my recent favourites, feel free to upload yours and make this a Nose Scrunch megathread

Absolutely love this. First thing that came to mind was this pic of Ginger from Slapstickstuff. Seeing this screencap is what made me realise how much of a turn on it is!

Holly Willoughby had some great expressions on MoM as well!