I need to lose weight fast?

Does anyone know of a really good crash diet? i need to lose weight fast ! because i have to look good for a banquet... so, i need to lose 10 pounds a week, for 10 weeks... so, yeahh. help ! please dont say im crazy, or retarded, or its unhealthy, or anything mean. i know its not healthy, i just need to lose a LOT of weight fast :)