How to get firm breast in 2 weeks?

Two weeks is very short time. Big change is not possible so fast. But you can try some things. Do exercise for your chest muscles. These muscles are under the breast. Strong muscles can give a lifted look. Try push-ups. You can also do push-ups against a wall. This is easier. Also, always sit and stand straight. Good posture makes a big difference. Wear a correct size bra for good support. Keep doing this every day, you will see some small change.