Sooooo, Shawn Mendes is an Underwear Model Now.

...and I’m not sure how to feel about it.

Shawn Mendes - with his clothes on LOS ANGELES, CA - FEBRUARY 10: Shawn Mendes performs onstage during the 61st Annual GRAMMY Awards at Staples Center on February 10, 2019 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for The Recording Academy) (Kevin Winter)

(Kevin Winter)

By Danielle

February 18, 2019 at 8:22 am EST

Remember innocent Shawn Mendes?

Well, he might still be innocent...but these new pictures of him modeling very tiny underwear for Calvin Klein will definitely have you checking out his birthday on Wikipedia to make sure he's officially all grown up.

Don’t worry, he is.

View this post on Instagram

@CalvinKlein #MyCalvins. Campaign coming this week.

A post shared by Shawn Mendes (@shawnmendes) on Feb 16, 2019 at 2:12pm PST

Shawn, who first became famous when he was just 16, is now 20 years old.

So, it’s totally ok to look at this picture:

And this one:

#ShawnMendes sends the Internet into a frenzy with new #CalvinKlein underwear pics: https://t.co/zSRFsJlOP6 pic.twitter.com/7oe9NQN3MJ
— ExtraTV (@extratv) February 17, 2019