Friends help! I have my birthday in about ten days, want to lose weight fast!?

I have my birthday coming up and I m going to throw a party for my friends..but the problem is I have put on a lot of weight in the past month now i m one dress size larger..I want to drop one dress size at-least in ten days..tell me any diet or exercises that will help me lose a lot of weight in ten days I am 139 lbs(63 kgs) and 5'3 in height