How many people does it take to give a massage? Well, for Justin Bieber the answer is three!

The 22-year-old's friend snapped a pic of him relaxing backstage at the Gila River Arena in Glendale, AZ and he is getting a foot rub, a hand rub, and a head massage – all while undergoing cupping therapy. Um, diva much?!

RELATED: Justin Bieber Bares His Naked Butt in the Wild — and on Instagram!

https://www.instagram.com/p/BDmakcXKYkx/

Justin's not the only star who has been caught having a Hollywood moment. Click through the gallery to see more stars caught being divas.