Here are some tips to lose tummy fat:
1. Avoid outside fatty foods. They may have trans-fats.
2. Get at least 6-8 hours of sleep in a day.
3. De-stress yourself. Do some activities which are stress-bursters for you.
4. Drink a lot of liquid/water/fuilds
5. Eat food in a right routine. Heavy breakfast, moderate lunch and lightest possible dinner. Take a walk after dinner. Dinner plays very important role in tummy gain.
6. Avoid beer. Switch to wine if necessary.
7. Do some tummy exercises. Crunches are best.
Here is a complete article on how to reduce tummy:
http://www.lifemojo.com/lifestyle/how-to-lose-tummy-fat-1629122