I'm less concerned about cracking their secret "are they" or "aren't they" replationship status code as I am with who took this picture.
If it was a Selena selfie, he arm are massive. If it was someone else... that's just weird. Take a look at what BIEBS Instagram'd today!
The caption, btw, said "'You've been makin music for too long babe come cuddle' -her: