He's so skinny!

Sam Smith has been gradually losing weight the past few years, and he's now the skinniest we've ever seen him! The 23-year-old recently shared a photo on Instagram that made us do a double take. Not only is he noticeably thinner, but he has some pretty thick facial hair!

RELATED: Sam Smith Lost 14 Pounds in Two Weeks — See His Secret to Shedding the Pounds!

https://www.instagram.com/p/BBnBCIzR2ST/

Click through the gallery to watch him lose weight over time.