SLiM DoWn....!?!?

Can anyone please tell me a diet or methood or excercise that I can use/do thats safe, easy, fast and affordable in less than 2 weeks....I need to slim down pronto......there is this party that I need to attend this june and all my friends are going to be there and my long time crush too....they're all so slim in the picture they sent me....I need help to slim down a few inches of my body....By the way my body measurements are 36-35-37and one half......all suggestions and answeres are greatly needed and appreciated.....Thanks...!!!