Would you be mad to find bikini pics on your man's phone

As

I found this women named constance Nunes on my boy friends phone (been together for 7 years now) and it was ALL of her in sexy ass bikinis barely covering her nipples and her ass hanging out and some with just a wet white tshirt on and no bra underneath. My question is am I overreacting that I'm really pissed off about this? I have smallish boobs myself (size c) and let's just say shes a good size dd