We have to admit, these are pretty funny!

Justin Bieber gave his beliebers what they've been waiting for yesterday by posting a nude selfie while on vacation in Bora Bora, and almost as quickly as his Instagram hit the web, Miley Cyrus was hard at work making funny memes of her friend in his birthday suit!

In one image, the "Wrecking Ball" songstress photoshopped a photo of herself onto the pic to make it look like she was taking a bite out of his ass, and in another she superimposed a super plump booty a la Kim Kardashian onto The Biebs! The two are good pals, so we know it was all in good fun!

As for his rumored girlfriend Hailey Baldwin, we caught her posting "#grapefruitbutt" in the comments section. Is that some sort of inside joke? How would she have a nickname for his butt unless she was already very familiar with it?!

In way less interesting news, JB just released a behind-the-scenes video of him singing his song "Where Are U Now" acapella. If only he was singing in the buff!