Need to lose 10 pounds in less than a week! help?

i know its not healthy at all but i've been dieting for a month or so now and i've lost 12 pounds. but i stopped losing weight. im going to the beach in almost a week and im so nervous about my body. i want to wear a bikini but i need to lose weight. any ideas? again i know its not healthy but any ideas would really be helpful. thankyou!