For a ab work out you can go to a trainer or just search on YouTube. Studies show that the best results for your toning is by changing the routine of your workout, so do a different ab video,everyday! Also for some people every other day of working out shows better results. That's up to you! For a diet there are certain foods like pine apple that supposedly take away blotting in the stomach. Hope I helped!
Try yoga for toning.
Eat plenty of veggies to keep from getting bloated.