Between her outfits, hair, makeup and killer smile, Katy Perry always looks like a goddess on the red carpet, but there's one thing you might not have noticed about her pearly whites.
According to Hollywood Life, the pop superstar has been wearing a gold Nike swoosh on one of her teeth since September last year! And now that we've taken a look back at all her pics, we can see that she really has been wearing the mouth bling since then.
Nobody knows if the gold tooth jewellery is actually the Nike logo, a tick or something else but either way we've never seen anything like it... and kinda want one ourselves!
Here she is rocking it most recently at the Office Christmas Party premiere...