What foods help with get rid of zits, pimples & acne?

I know to have zits, pimples etc its hereditary but there are somethings i can do to at least help. i dont have the worse skin but i dont have good skin and i want to know what foods should i eat that should even help me get them either less often, not as big or as many or none at all. What foods should i stay away from? and is there anything else that would help. Anything will help im really desperate at this point!!!