Belly fat covering abs?

Im 15male 5'11 145lbs I have my top abs showing (4) All I need is my bottom 2 but I have stubborn belly fat their and it covers up my abs. I can not get rid of it. maybe it is skin? Im not sure I can pinch a lob of it making me think it is fat. wth can I do and fast for when our pool opens. -I do p90x system on week 9 starting 10-