Baring It All! The Most Naked Celebrity Social Media Moments Of 2015

Christina Aguilera certainly didn't see anything Dirty about wearing next to nothing in a selfie!

Kim Kardashian didn't let her pregnancy keep her from showing off lots of skin. Who doesn't love a confident mom?!

It must have been a full moon when mom of three Kourtney Kardashian Instagrammed this pic of her toned bottom!

Coco Austin didn't even let the placenta dry before taking nude photos with her adorable little bundle, Chanel Nicole.

Khloe Kardashian did a naked photo shoot in St. Barths, and in December, she shared some of the snaps on social media as well as her app!

Sure, Rihanna is known to go next-to-nude, but when you look like this, it is criminal not to show it off! 

Kylie Jenner celebrated her foray into adulthood by pretty much never wearing clothes.

Like, ever.

Model, wife, and funny woman Chrissy Teigen always keeps it classy, even as she poses nude!

Who can forget all of the different sides of Justin Bieber we've seen this year?

Kourtney Kardashian let it all hang out after her split with Scott Disick.