Should he apologize or am I overreacting?

Me and my bf are long distance. He was telling me yesterday that 3 girls from my home town sent him friends request.

Here’s the convo (face to face)

Him : When we spilt up last time. 3 girls from your hometown sent me a request.

Me : did you accept it?

Him : yeah they were pretty.

I was instantly pissed and only pissed cause he called them pretty and that’s why he accepted em..