Who is telling these celebs that they look good with mouths of gold-tinted metal? Twitchy showed you Rihanna’s AK-47 grill last week.

Tonight at the MTV #VMAs, it was Katy Perry grilling it up:

https://twitter.com/MosesJasmine/status/371793040488161280

https://twitter.com/Doug2FreshGray/status/371792722568286209

Yes, yes it did happen. All the better to roar with, we guess.