No Shirt, No Pants, No Problem: The Steamiest NSFW Celebrity Instagrams of 2018

Tons of celebrities steamed up our computer screens with their NSFW photos last year, but this year was a whole lot hotter thanks to a select bunch. From Kim Kardashian's countless topless snaps to Christina Aguilera's sultry bathtub shots, stars are baring it all on Instagram — and the year isn't over just yet! You might want to proceed with caution, because these photos are piping hot.