I was scared my son just spilt up all over my shirt I burp him every once this feeding he spilt my…

I was scared my son just spilt up all over my shirt I burp him every once this feeding he spilt my whole shirt. it never happen before he would spilt up a little. now this feeding he spilt up alot and he's gaining weight I hope he doesn't have a upset stomach.. or over ate.. has anyone son did that.